Merge pull request #150 from fjl/develop

Merge eth-go repo into go-ethereum

10 files changed, 2374 insertions, 0 deletions

diff --git a/ethcrypto/crypto.go b/ethcrypto/crypto.go
new file mode 100644
index 000000000..068e066d5
--- /dev/null
+++ b/ethcrypto/crypto.go
@@ -0,0 +1,47 @@
+package ethcrypto
+
+import (
+	"crypto/sha256"
+
+	"code.google.com/p/go.crypto/ripemd160"
+	"github.com/ethereum/go-ethereum/ethutil"
+	"github.com/obscuren/secp256k1-go"
+	"github.com/obscuren/sha3"
+)
+
+// TODO refactor, remove (bin)
+func Sha3(data []byte) []byte {
+	d := sha3.NewKeccak256()
+	d.Write(data)
+
+	return d.Sum(nil)
+}
+
+// Creates an ethereum address given the bytes and the nonce
+func CreateAddress(b []byte, nonce uint64) []byte {
+	return Sha3(ethutil.NewValue([]interface{}{b, nonce}).Encode())[12:]
+}
+
+func Sha256(data []byte) []byte {
+	hash := sha256.Sum256(data)
+
+	return hash[:]
+}
+
+func Ripemd160(data []byte) []byte {
+	ripemd := ripemd160.New()
+	ripemd.Write(data)
+
+	return ripemd.Sum(nil)
+}
+
+func Ecrecover(data []byte) []byte {
+	var in = struct {
+		hash []byte
+		sig  []byte
+	}{data[:32], data[32:]}
+
+	r, _ := secp256k1.RecoverPubkey(in.hash, in.sig)
+
+	return r
+}
diff --git a/ethcrypto/crypto_test.go b/ethcrypto/crypto_test.go
new file mode 100644
index 000000000..689bcecb4
--- /dev/null
+++ b/ethcrypto/crypto_test.go
@@ -0,0 +1,17 @@
+package ethcrypto
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/ethutil"
+)
+
+// FIPS 202 test (reverted back to FIPS 180)
+func TestSha3(t *testing.T) {
+	const exp = "3a985da74fe225b2045c172d6bd390bd855f086e3e9d525b46bfe24511431532"
+	sha3_256 := Sha3Bin([]byte("abc"))
+	if bytes.Compare(sha3_256, ethutil.Hex2Bytes(exp)) != 0 {
+		t.Errorf("Sha3_256 failed. Incorrect result %x", sha3_256)
+	}
+}
diff --git a/ethcrypto/key_manager.go b/ethcrypto/key_manager.go
new file mode 100644
index 000000000..109768423
--- /dev/null
+++ b/ethcrypto/key_manager.go
@@ -0,0 +1,130 @@
+package ethcrypto
+
+import (
+	"fmt"
+	"sync"
+
+	"github.com/ethereum/go-ethereum/ethutil"
+)
+
+type KeyManager struct {
+	keyRing  *KeyRing
+	session  string
+	keyStore KeyStore            // interface
+	keyRings map[string]*KeyRing // cache
+	keyPair  *KeyPair
+}
+
+func NewDBKeyManager(db ethutil.Database) *KeyManager {
+	return &KeyManager{keyStore: &DBKeyStore{db: db}, keyRings: make(map[string]*KeyRing)}
+}
+
+func NewFileKeyManager(basedir string) *KeyManager {
+	return &KeyManager{keyStore: &FileKeyStore{basedir: basedir}, keyRings: make(map[string]*KeyRing)}
+}
+
+func (k *KeyManager) KeyPair() *KeyPair {
+	return k.keyPair
+}
+
+func (k *KeyManager) KeyRing() *KeyPair {
+	return k.keyPair
+}
+
+func (k *KeyManager) PrivateKey() []byte {
+	return k.keyPair.PrivateKey
+}
+
+func (k *KeyManager) PublicKey() []byte {
+	return k.keyPair.PublicKey
+}
+
+func (k *KeyManager) Address() []byte {
+	return k.keyPair.Address()
+}
+
+func (k *KeyManager) save(session string, keyRing *KeyRing) error {
+	err := k.keyStore.Save(session, keyRing)
+	if err != nil {
+		return err
+	}
+	k.keyRings[session] = keyRing
+	return nil
+}
+
+func (k *KeyManager) load(session string) (*KeyRing, error) {
+	keyRing, found := k.keyRings[session]
+	if !found {
+		var err error
+		keyRing, err = k.keyStore.Load(session)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return keyRing, nil
+}
+
+func cursorError(cursor int, len int) error {
+	return fmt.Errorf("cursor %d out of range (0..%d)", cursor, len)
+}
+
+func (k *KeyManager) reset(session string, cursor int, keyRing *KeyRing) error {
+	if cursor >= keyRing.Len() {
+		return cursorError(cursor, keyRing.Len())
+	}
+	lock := &sync.Mutex{}
+	lock.Lock()
+	defer lock.Unlock()
+	err := k.save(session, keyRing)
+	if err != nil {
+		return err
+	}
+	k.session = session
+	k.keyRing = keyRing
+	k.keyPair = keyRing.GetKeyPair(cursor)
+	return nil
+}
+
+func (k *KeyManager) SetCursor(cursor int) error {
+	if cursor >= k.keyRing.Len() {
+		return cursorError(cursor, k.keyRing.Len())
+	}
+	k.keyPair = k.keyRing.GetKeyPair(cursor)
+	return nil
+}
+
+func (k *KeyManager) Init(session string, cursor int, force bool) error {
+	var keyRing *KeyRing
+	if !force {
+		var err error
+		keyRing, err = k.load(session)
+		if err != nil {
+			return err
+		}
+	}
+	if keyRing == nil {
+		keyRing = NewGeneratedKeyRing(1)
+	}
+	return k.reset(session, cursor, keyRing)
+}
+
+func (k *KeyManager) InitFromSecretsFile(session string, cursor int, secretsfile string) error {
+	keyRing, err := NewKeyRingFromFile(secretsfile)
+	if err != nil {
+		return err
+	}
+	return k.reset(session, cursor, keyRing)
+}
+
+func (k *KeyManager) InitFromString(session string, cursor int, secrets string) error {
+	keyRing, err := NewKeyRingFromString(secrets)
+	if err != nil {
+		return err
+	}
+	return k.reset(session, cursor, keyRing)
+}
+
+func (k *KeyManager) Export(dir string) error {
+	fileKeyStore := FileKeyStore{dir}
+	return fileKeyStore.Save(k.session, k.keyRing)
+}
diff --git a/ethcrypto/key_store.go b/ethcrypto/key_store.go
new file mode 100644
index 000000000..14d11011f
--- /dev/null
+++ b/ethcrypto/key_store.go
@@ -0,0 +1,113 @@
+package ethcrypto
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/ethutil"
+)
+
+type KeyStore interface {
+	Load(string) (*KeyRing, error)
+	Save(string, *KeyRing) error
+}
+
+type DBKeyStore struct {
+	db ethutil.Database
+}
+
+const dbKeyPrefix = "KeyRing"
+
+func (k *DBKeyStore) dbKey(session string) []byte {
+	return []byte(fmt.Sprintf("%s%s", dbKeyPrefix, session))
+}
+
+func (k *DBKeyStore) Save(session string, keyRing *KeyRing) error {
+	k.db.Put(k.dbKey(session), keyRing.RlpEncode())
+	return nil
+}
+
+func (k *DBKeyStore) Load(session string) (*KeyRing, error) {
+	data, err := k.db.Get(k.dbKey(session))
+	if err != nil {
+		return nil, nil
+	}
+	var keyRing *KeyRing
+	keyRing, err = NewKeyRingFromBytes(data)
+	if err != nil {
+		return nil, err
+	}
+	// if empty keyRing is found we return nil, no error
+	if keyRing.Len() == 0 {
+		return nil, nil
+	}
+	return keyRing, nil
+}
+
+type FileKeyStore struct {
+	basedir string
+}
+
+func (k *FileKeyStore) Save(session string, keyRing *KeyRing) error {
+	var content []byte
+	var err error
+	var privateKeys []string
+	var publicKeys []string
+	var mnemonics []string
+	var addresses []string
+	keyRing.Each(func(keyPair *KeyPair) {
+		privateKeys = append(privateKeys, ethutil.Bytes2Hex(keyPair.PrivateKey))
+		publicKeys = append(publicKeys, ethutil.Bytes2Hex(keyPair.PublicKey))
+		addresses = append(addresses, ethutil.Bytes2Hex(keyPair.Address()))
+		mnemonics = append(mnemonics, keyPair.Mnemonic())
+	})
+
+	basename := session
+	if session == "" {
+		basename = "default"
+	}
+
+	path := path.Join(k.basedir, basename)
+	content = []byte(strings.Join(privateKeys, "\n"))
+	err = ioutil.WriteFile(path+".prv", content, 0600)
+	if err != nil {
+		return err
+	}
+
+	content = []byte(strings.Join(publicKeys, "\n"))
+	err = ioutil.WriteFile(path+".pub", content, 0644)
+	if err != nil {
+		return err
+	}
+
+	content = []byte(strings.Join(addresses, "\n"))
+	err = ioutil.WriteFile(path+".addr", content, 0644)
+	if err != nil {
+		return err
+	}
+
+	content = []byte(strings.Join(mnemonics, "\n"))
+	err = ioutil.WriteFile(path+".mne", content, 0600)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (k *FileKeyStore) Load(session string) (*KeyRing, error) {
+	basename := session
+	if session == "" {
+		basename = "default"
+	}
+	secfile := path.Join(k.basedir, basename+".prv")
+	_, err := os.Stat(secfile)
+	// if file is not found then we return nil, no error
+	if err != nil {
+		return nil, nil
+	}
+	return NewKeyRingFromFile(secfile)
+}
diff --git a/ethcrypto/keypair.go b/ethcrypto/keypair.go
new file mode 100644
index 000000000..613f65d8c
--- /dev/null
+++ b/ethcrypto/keypair.go
@@ -0,0 +1,58 @@
+package ethcrypto
+
+import (
+	"strings"
+
+	"github.com/ethereum/go-ethereum/ethutil"
+	"github.com/obscuren/secp256k1-go"
+)
+
+type KeyPair struct {
+	PrivateKey []byte
+	PublicKey  []byte
+	address    []byte
+	mnemonic   string
+	// The associated account
+	// account *StateObject
+}
+
+func GenerateNewKeyPair() *KeyPair {
+	_, prv := secp256k1.GenerateKeyPair()
+	keyPair, _ := NewKeyPairFromSec(prv) // swallow error, this one cannot err
+	return keyPair
+}
+
+func NewKeyPairFromSec(seckey []byte) (*KeyPair, error) {
+	pubkey, err := secp256k1.GeneratePubKey(seckey)
+	if err != nil {
+		return nil, err
+	}
+
+	return &KeyPair{PrivateKey: seckey, PublicKey: pubkey}, nil
+}
+
+func (k *KeyPair) Address() []byte {
+	if k.address == nil {
+		k.address = Sha3(k.PublicKey[1:])[12:]
+	}
+	return k.address
+}
+
+func (k *KeyPair) Mnemonic() string {
+	if k.mnemonic == "" {
+		k.mnemonic = strings.Join(MnemonicEncode(ethutil.Bytes2Hex(k.PrivateKey)), " ")
+	}
+	return k.mnemonic
+}
+
+func (k *KeyPair) AsStrings() (string, string, string, string) {
+	return k.Mnemonic(), ethutil.Bytes2Hex(k.Address()), ethutil.Bytes2Hex(k.PrivateKey), ethutil.Bytes2Hex(k.PublicKey)
+}
+
+func (k *KeyPair) RlpEncode() []byte {
+	return k.RlpValue().Encode()
+}
+
+func (k *KeyPair) RlpValue() *ethutil.Value {
+	return ethutil.NewValue(k.PrivateKey)
+}
diff --git a/ethcrypto/keyring.go b/ethcrypto/keyring.go
new file mode 100644
index 000000000..35733808b
--- /dev/null
+++ b/ethcrypto/keyring.go
@@ -0,0 +1,123 @@
+package ethcrypto
+
+import (
+	"fmt"
+	"io/ioutil"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/ethutil"
+)
+
+type KeyRing struct {
+	keys []*KeyPair
+}
+
+func NewKeyRing() *KeyRing {
+	return &KeyRing{}
+}
+
+func (k *KeyRing) AddKeyPair(keyPair *KeyPair) {
+	k.keys = append(k.keys, keyPair)
+}
+
+func (k *KeyRing) GetKeyPair(i int) *KeyPair {
+	if len(k.keys) > i {
+		return k.keys[i]
+	}
+
+	return nil
+}
+
+func (k *KeyRing) Empty() bool {
+	return k.Len() == 0
+}
+
+func (k *KeyRing) Len() int {
+	return len(k.keys)
+}
+
+func (k *KeyRing) Each(f func(*KeyPair)) {
+	for _, keyPair := range k.keys {
+		f(keyPair)
+	}
+}
+
+func NewGeneratedKeyRing(len int) *KeyRing {
+	keyRing := NewKeyRing()
+	for i := 0; i < len; i++ {
+		keyRing.AddKeyPair(GenerateNewKeyPair())
+	}
+	return keyRing
+}
+
+func NewKeyRingFromFile(secfile string) (*KeyRing, error) {
+	var content []byte
+	var err error
+	content, err = ioutil.ReadFile(secfile)
+	if err != nil {
+		return nil, err
+	}
+	keyRing, err := NewKeyRingFromString(string(content))
+	if err != nil {
+		return nil, err
+	}
+	return keyRing, nil
+}
+
+func NewKeyRingFromString(content string) (*KeyRing, error) {
+	secretStrings := strings.Split(content, "\n")
+	var secrets [][]byte
+	for _, secretString := range secretStrings {
+		secret := secretString
+		words := strings.Split(secretString, " ")
+		if len(words) == 24 {
+			secret = MnemonicDecode(words)
+		} else if len(words) != 1 {
+			return nil, fmt.Errorf("Unrecognised key format")
+		}
+
+		if len(secret) != 0 {
+			secrets = append(secrets, ethutil.Hex2Bytes(secret))
+		}
+	}
+
+	return NewKeyRingFromSecrets(secrets)
+}
+
+func NewKeyRingFromSecrets(secs [][]byte) (*KeyRing, error) {
+	keyRing := NewKeyRing()
+	for _, sec := range secs {
+		keyPair, err := NewKeyPairFromSec(sec)
+		if err != nil {
+			return nil, err
+		}
+		keyRing.AddKeyPair(keyPair)
+	}
+	return keyRing, nil
+}
+
+func NewKeyRingFromBytes(data []byte) (*KeyRing, error) {
+	var secrets [][]byte
+	it := ethutil.NewValueFromBytes(data).NewIterator()
+	for it.Next() {
+		secret := it.Value().Bytes()
+		secrets = append(secrets, secret)
+	}
+	keyRing, err := NewKeyRingFromSecrets(secrets)
+	if err != nil {
+		return nil, err
+	}
+	return keyRing, nil
+}
+
+func (k *KeyRing) RlpEncode() []byte {
+	return k.RlpValue().Encode()
+}
+
+func (k *KeyRing) RlpValue() *ethutil.Value {
+	v := ethutil.EmptyValue()
+	k.Each(func(keyPair *KeyPair) {
+		v.Append(keyPair.RlpValue())
+	})
+	return v
+}
diff --git a/ethcrypto/keys_test.go b/ethcrypto/keys_test.go
new file mode 100644
index 000000000..8aedc1ee1
--- /dev/null
+++ b/ethcrypto/keys_test.go
@@ -0,0 +1,122 @@
+package ethcrypto
+
+import (
+	"github.com/ethereum/go-ethereum/ethdb"
+	// "io/ioutil"
+	"fmt"
+	"os"
+	"path"
+	"testing"
+)
+
+// test if persistence layer works
+func TestDBKeyManager(t *testing.T) {
+	memdb, _ := ethdb.NewMemDatabase()
+	keyManager0 := NewDBKeyManager(memdb)
+	err := keyManager0.Init("", 0, false)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+	keyManager1 := NewDBKeyManager(memdb)
+	err = keyManager1.Init("", 0, false)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+	if string(keyManager0.PrivateKey()) != string(keyManager1.PrivateKey()) {
+		t.Error("Expected private keys %x, %x, to be identical via db persistence", keyManager0.PrivateKey(), keyManager1.PrivateKey())
+	}
+	err = keyManager1.Init("", 0, true)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+	if string(keyManager0.PrivateKey()) == string(keyManager1.PrivateKey()) {
+		t.Error("Expected private keys %x, %x, to be be different despite db persistence if force generate", keyManager0.PrivateKey(), keyManager1.PrivateKey())
+	}
+}
+
+func TestFileKeyManager(t *testing.T) {
+	basedir0 := "/tmp/ethtest0"
+	os.RemoveAll(basedir0)
+	os.Mkdir(basedir0, 0777)
+
+	keyManager0 := NewFileKeyManager(basedir0)
+	err := keyManager0.Init("", 0, false)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+
+	keyManager1 := NewFileKeyManager(basedir0)
+
+	err = keyManager1.Init("", 0, false)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+	if string(keyManager0.PrivateKey()) != string(keyManager1.PrivateKey()) {
+		t.Error("Expected private keys %x, %x, to be identical via db persistence", keyManager0.PrivateKey(), keyManager1.PrivateKey())
+	}
+
+	err = keyManager1.Init("", 0, true)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+	if string(keyManager0.PrivateKey()) == string(keyManager1.PrivateKey()) {
+		t.Error("Expected private keys %x, %x, to be be different despite db persistence if force generate", keyManager0.PrivateKey(), keyManager1.PrivateKey())
+	}
+}
+
+// cursor errors
+func TestCursorErrors(t *testing.T) {
+	memdb, _ := ethdb.NewMemDatabase()
+	keyManager0 := NewDBKeyManager(memdb)
+	err := keyManager0.Init("", 0, false)
+	err = keyManager0.Init("", 1, false)
+	if err == nil {
+		t.Error("Expected cursor error")
+	}
+	err = keyManager0.SetCursor(1)
+	if err == nil {
+		t.Error("Expected cursor error")
+	}
+}
+
+func TestExportImport(t *testing.T) {
+	memdb, _ := ethdb.NewMemDatabase()
+	keyManager0 := NewDBKeyManager(memdb)
+	err := keyManager0.Init("", 0, false)
+	basedir0 := "/tmp/ethtest0"
+	os.RemoveAll(basedir0)
+	os.Mkdir(basedir0, 0777)
+	keyManager0.Export(basedir0)
+
+	keyManager1 := NewFileKeyManager(basedir0)
+	err = keyManager1.Init("", 0, false)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+	fmt.Printf("keyRing: %v\n", keyManager0.KeyPair())
+	fmt.Printf("keyRing: %v\n", keyManager1.KeyPair())
+	if string(keyManager0.PrivateKey()) != string(keyManager1.PrivateKey()) {
+		t.Error("Expected private keys %x, %x, to be identical via export to filestore basedir", keyManager0.PrivateKey(), keyManager1.PrivateKey())
+	}
+	path.Join("")
+
+	// memdb, _ = ethdb.NewMemDatabase()
+	// keyManager2 := NewDBKeyManager(memdb)
+	// err = keyManager2.InitFromSecretsFile("", 0, path.Join(basedir0, "default.prv"))
+	// if err != nil {
+	// 	t.Error("Unexpected error: ", err)
+	// }
+	// if string(keyManager0.PrivateKey()) != string(keyManager2.PrivateKey()) {
+	// 	t.Error("Expected private keys %s, %s, to be identical via export/import prv", keyManager0.PrivateKey(), keyManager1.PrivateKey())
+	// }
+
+	// memdb, _ = ethdb.NewMemDatabase()
+	// keyManager3 := NewDBKeyManager(memdb)
+	// err = keyManager3.InitFromSecretsFile("", 0, path.Join(basedir0, "default.mne"))
+	// if err != nil {
+	// 	t.Error("Unexpected error: ", err)
+	// }
+	// if string(keyManager0.PrivateKey()) != string(keyManager3.PrivateKey()) {
+	// 	t.Error("Expected private keys %s, %s, to be identical via export/import mnemonic file", keyManager0.PrivateKey(), keyManager1.PrivateKey())
+	// }
+}
diff --git a/ethcrypto/mnemonic.go b/ethcrypto/mnemonic.go
new file mode 100644
index 000000000..5fb620219
--- /dev/null
+++ b/ethcrypto/mnemonic.go
@@ -0,0 +1,60 @@
+package ethcrypto
+
+import (
+	"fmt"
+	"strconv"
+)
+
+// TODO: See if we can refactor this into a shared util lib if we need it multiple times
+func IndexOf(slice []string, value string) int64 {
+	for p, v := range slice {
+		if v == value {
+			return int64(p)
+		}
+	}
+	return -1
+}
+
+func MnemonicEncode(message string) []string {
+	var out []string
+	n := int64(len(MnemonicWords))
+
+	for i := 0; i < len(message); i += (len(message) / 8) {
+		x := message[i : i+8]
+		bit, _ := strconv.ParseInt(x, 16, 64)
+		w1 := (bit % n)
+		w2 := ((bit / n) + w1) % n
+		w3 := ((bit / n / n) + w2) % n
+		out = append(out, MnemonicWords[w1], MnemonicWords[w2], MnemonicWords[w3])
+	}
+	return out
+}
+
+func MnemonicDecode(wordsar []string) string {
+	var out string
+	n := int64(len(MnemonicWords))
+
+	for i := 0; i < len(wordsar); i += 3 {
+		word1 := wordsar[i]
+		word2 := wordsar[i+1]
+		word3 := wordsar[i+2]
+		w1 := IndexOf(MnemonicWords, word1)
+		w2 := IndexOf(MnemonicWords, word2)
+		w3 := IndexOf(MnemonicWords, word3)
+
+		y := (w2 - w1) % n
+		z := (w3 - w2) % n
+
+		// Golang handles modulo with negative numbers different then most languages
+		// The modulo can be negative, we don't want that.
+		if z < 0 {
+			z += n
+		}
+		if y < 0 {
+			y += n
+		}
+		x := w1 + n*(y) + n*n*(z)
+		out += fmt.Sprintf("%08x", x)
+	}
+	return out
+}
diff --git a/ethcrypto/mnemonic_test.go b/ethcrypto/mnemonic_test.go
new file mode 100644
index 000000000..8bd8859ae
--- /dev/null
+++ b/ethcrypto/mnemonic_test.go
@@ -0,0 +1,74 @@
+package ethcrypto
+
+import (
+	"testing"
+)
+
+func TestMnDecode(t *testing.T) {
+	words := []string{
+		"ink",
+		"balance",
+		"gain",
+		"fear",
+		"happen",
+		"melt",
+		"mom",
+		"surface",
+		"stir",
+		"bottle",
+		"unseen",
+		"expression",
+		"important",
+		"curl",
+		"grant",
+		"fairy",
+		"across",
+		"back",
+		"figure",
+		"breast",
+		"nobody",
+		"scratch",
+		"worry",
+		"yesterday",
+	}
+	encode := "c61d43dc5bb7a4e754d111dae8105b6f25356492df5e50ecb33b858d94f8c338"
+	result := MnemonicDecode(words)
+	if encode != result {
+		t.Error("We expected", encode, "got", result, "instead")
+	}
+}
+func TestMnEncode(t *testing.T) {
+	encode := "c61d43dc5bb7a4e754d111dae8105b6f25356492df5e50ecb33b858d94f8c338"
+	result := []string{
+		"ink",
+		"balance",
+		"gain",
+		"fear",
+		"happen",
+		"melt",
+		"mom",
+		"surface",
+		"stir",
+		"bottle",
+		"unseen",
+		"expression",
+		"important",
+		"curl",
+		"grant",
+		"fairy",
+		"across",
+		"back",
+		"figure",
+		"breast",
+		"nobody",
+		"scratch",
+		"worry",
+		"yesterday",
+	}
+	words := MnemonicEncode(encode)
+	for i, word := range words {
+		if word != result[i] {
+			t.Error("Mnenonic does not match:", words, result)
+		}
+	}
+}
diff --git a/ethcrypto/mnemonic_words.go b/ethcrypto/mnemonic_words.go
new file mode 100644
index 000000000..72f0ad48f
--- /dev/null
+++ b/ethcrypto/mnemonic_words.go
@@ -0,0 +1,1630 @@
+package ethcrypto
+
+var MnemonicWords []string = []string{
+	"like",
+	"just",
+	"love",
+	"know",
+	"never",
+	"want",
+	"time",
+	"out",
+	"there",
+	"make",
+	"look",
+	"eye",
+	"down",
+	"only",
+	"think",
+	"heart",
+	"back",
+	"then",
+	"into",
+	"about",
+	"more",
+	"away",
+	"still",
+	"them",
+	"take",
+	"thing",
+	"even",
+	"through",
+	"long",
+	"always",
+	"world",
+	"too",
+	"friend",
+	"tell",
+	"try",
+	"hand",
+	"thought",
+	"over",
+	"here",
+	"other",
+	"need",
+	"smile",
+	"again",
+	"much",
+	"cry",
+	"been",
+	"night",
+	"ever",
+	"little",
+	"said",
+	"end",
+	"some",
+	"those",
+	"around",
+	"mind",
+	"people",
+	"girl",
+	"leave",
+	"dream",
+	"left",
+	"turn",
+	"myself",
+	"give",
+	"nothing",
+	"really",
+	"off",
+	"before",
+	"something",
+	"find",
+	"walk",
+	"wish",
+	"good",
+	"once",
+	"place",
+	"ask",
+	"stop",
+	"keep",
+	"watch",
+	"seem",
+	"everything",
+	"wait",
+	"got",
+	"yet",
+	"made",
+	"remember",
+	"start",
+	"alone",
+	"run",
+	"hope",
+	"maybe",
+	"believe",
+	"body",
+	"hate",
+	"after",
+	"close",
+	"talk",
+	"stand",
+	"own",
+	"each",
+	"hurt",
+	"help",
+	"home",
+	"god",
+	"soul",
+	"new",
+	"many",
+	"two",
+	"inside",
+	"should",
+	"true",
+	"first",
+	"fear",
+	"mean",
+	"better",
+	"play",
+	"another",
+	"gone",
+	"change",
+	"use",
+	"wonder",
+	"someone",
+	"hair",
+	"cold",
+	"open",
+	"best",
+	"any",
+	"behind",
+	"happen",
+	"water",
+	"dark",
+	"laugh",
+	"stay",
+	"forever",
+	"name",
+	"work",
+	"show",
+	"sky",
+	"break",
+	"came",
+	"deep",
+	"door",
+	"put",
+	"black",
+	"together",
+	"upon",
+	"happy",
+	"such",
+	"great",
+	"white",
+	"matter",
+	"fill",
+	"past",
+	"please",
+	"burn",
+	"cause",
+	"enough",
+	"touch",
+	"moment",
+	"soon",
+	"voice",
+	"scream",
+	"anything",
+	"stare",
+	"sound",
+	"red",
+	"everyone",
+	"hide",
+	"kiss",
+	"truth",
+	"death",
+	"beautiful",
+	"mine",
+	"blood",
+	"broken",
+	"very",
+	"pass",
+	"next",
+	"forget",
+	"tree",
+	"wrong",
+	"air",
+	"mother",
+	"understand",
+	"lip",
+	"hit",
+	"wall",
+	"memory",
+	"sleep",
+	"free",
+	"high",
+	"realize",
+	"school",
+	"might",
+	"skin",
+	"sweet",
+	"perfect",
+	"blue",
+	"kill",
+	"breath",
+	"dance",
+	"against",
+	"fly",
+	"between",
+	"grow",
+	"strong",
+	"under",
+	"listen",
+	"bring",
+	"sometimes",
+	"speak",
+	"pull",
+	"person",
+	"become",
+	"family",
+	"begin",
+	"ground",
+	"real",
+	"small",
+	"father",
+	"sure",
+	"feet",
+	"rest",
+	"young",
+	"finally",
+	"land",
+	"across",
+	"today",
+	"different",
+	"guy",
+	"line",
+	"fire",
+	"reason",
+	"reach",
+	"second",
+	"slowly",
+	"write",
+	"eat",
+	"smell",
+	"mouth",
+	"step",
+	"learn",
+	"three",
+	"floor",
+	"promise",
+	"breathe",
+	"darkness",
+	"push",
+	"earth",
+	"guess",
+	"save",
+	"song",
+	"above",
+	"along",
+	"both",
+	"color",
+	"house",
+	"almost",
+	"sorry",
+	"anymore",
+	"brother",
+	"okay",
+	"dear",
+	"game",
+	"fade",
+	"already",
+	"apart",
+	"warm",
+	"beauty",
+	"heard",
+	"notice",
+	"question",
+	"shine",
+	"began",
+	"piece",
+	"whole",
+	"shadow",
+	"secret",
+	"street",
+	"within",
+	"finger",
+	"point",
+	"morning",
+	"whisper",
+	"child",
+	"moon",
+	"green",
+	"story",
+	"glass",
+	"kid",
+	"silence",
+	"since",
+	"soft",
+	"yourself",
+	"empty",
+	"shall",
+	"angel",
+	"answer",
+	"baby",
+	"bright",
+	"dad",
+	"path",
+	"worry",
+	"hour",
+	"drop",
+	"follow",
+	"power",
+	"war",
+	"half",
+	"flow",
+	"heaven",
+	"act",
+	"chance",
+	"fact",
+	"least",
+	"tired",
+	"children",
+	"near",
+	"quite",
+	"afraid",
+	"rise",
+	"sea",
+	"taste",
+	"window",
+	"cover",
+	"nice",
+	"trust",
+	"lot",
+	"sad",
+	"cool",
+	"force",
+	"peace",
+	"return",
+	"blind",
+	"easy",
+	"ready",
+	"roll",
+	"rose",
+	"drive",
+	"held",
+	"music",
+	"beneath",
+	"hang",
+	"mom",
+	"paint",
+	"emotion",
+	"quiet",
+	"clear",
+	"cloud",
+	"few",
+	"pretty",
+	"bird",
+	"outside",
+	"paper",
+	"picture",
+	"front",
+	"rock",
+	"simple",
+	"anyone",
+	"meant",
+	"reality",
+	"road",
+	"sense",
+	"waste",
+	"bit",
+	"leaf",
+	"thank",
+	"happiness",
+	"meet",
+	"men",
+	"smoke",
+	"truly",
+	"decide",
+	"self",
+	"age",
+	"book",
+	"form",
+	"alive",
+	"carry",
+	"escape",
+	"damn",
+	"instead",
+	"able",
+	"ice",
+	"minute",
+	"throw",
+	"catch",
+	"leg",
+	"ring",
+	"course",
+	"goodbye",
+	"lead",
+	"poem",
+	"sick",
+	"corner",
+	"desire",
+	"known",
+	"problem",
+	"remind",
+	"shoulder",
+	"suppose",
+	"toward",
+	"wave",
+	"drink",
+	"jump",
+	"woman",
+	"pretend",
+	"sister",
+	"week",
+	"human",
+	"joy",
+	"crack",
+	"grey",
+	"pray",
+	"surprise",
+	"dry",
+	"knee",
+	"less",
+	"search",
+	"bleed",
+	"caught",
+	"clean",
+	"embrace",
+	"future",
+	"king",
+	"son",
+	"sorrow",
+	"chest",
+	"hug",
+	"remain",
+	"sat",
+	"worth",
+	"blow",
+	"daddy",
+	"final",
+	"parent",
+	"tight",
+	"also",
+	"create",
+	"lonely",
+	"safe",
+	"cross",
+	"dress",
+	"evil",
+	"silent",
+	"bone",
+	"fate",
+	"perhaps",
+	"anger",
+	"class",
+	"scar",
+	"snow",
+	"tiny",
+	"tonight",
+	"continue",
+	"control",
+	"dog",
+	"edge",
+	"mirror",
+	"month",
+	"suddenly",
+	"comfort",
+	"given",
+	"loud",
+	"quickly",
+	"gaze",
+	"plan",
+	"rush",
+	"stone",
+	"town",
+	"battle",
+	"ignore",
+	"spirit",
+	"stood",
+	"stupid",
+	"yours",
+	"brown",
+	"build",
+	"dust",
+	"hey",
+	"kept",
+	"pay",
+	"phone",
+	"twist",
+	"although",
+	"ball",
+	"beyond",
+	"hidden",
+	"nose",
+	"taken",
+	"fail",
+	"float",
+	"pure",
+	"somehow",
+	"wash",
+	"wrap",
+	"angry",
+	"cheek",
+	"creature",
+	"forgotten",
+	"heat",
+	"rip",
+	"single",
+	"space",
+	"special",
+	"weak",
+	"whatever",
+	"yell",
+	"anyway",
+	"blame",
+	"job",
+	"choose",
+	"country",
+	"curse",
+	"drift",
+	"echo",
+	"figure",
+	"grew",
+	"laughter",
+	"neck",
+	"suffer",
+	"worse",
+	"yeah",
+	"disappear",
+	"foot",
+	"forward",
+	"knife",
+	"mess",
+	"somewhere",
+	"stomach",
+	"storm",
+	"beg",
+	"idea",
+	"lift",
+	"offer",
+	"breeze",
+	"field",
+	"five",
+	"often",
+	"simply",
+	"stuck",
+	"win",
+	"allow",
+	"confuse",
+	"enjoy",
+	"except",
+	"flower",
+	"seek",
+	"strength",
+	"calm",
+	"grin",
+	"gun",
+	"heavy",
+	"hill",
+	"large",
+	"ocean",
+	"shoe",
+	"sigh",
+	"straight",
+	"summer",
+	"tongue",
+	"accept",
+	"crazy",
+	"everyday",
+	"exist",
+	"grass",
+	"mistake",
+	"sent",
+	"shut",
+	"surround",
+	"table",
+	"ache",
+	"brain",
+	"destroy",
+	"heal",
+	"nature",
+	"shout",
+	"sign",
+	"stain",
+	"choice",
+	"doubt",
+	"glance",
+	"glow",
+	"mountain",
+	"queen",
+	"stranger",
+	"throat",
+	"tomorrow",
+	"city",
+	"either",
+	"fish",
+	"flame",
+	"rather",
+	"shape",
+	"spin",
+	"spread",
+	"ash",
+	"distance",
+	"finish",
+	"image",
+	"imagine",
+	"important",
+	"nobody",
+	"shatter",
+	"warmth",
+	"became",
+	"feed",
+	"flesh",
+	"funny",
+	"lust",
+	"shirt",
+	"trouble",
+	"yellow",
+	"attention",
+	"bare",
+	"bite",
+	"money",
+	"protect",
+	"amaze",
+	"appear",
+	"born",
+	"choke",
+	"completely",
+	"daughter",
+	"fresh",
+	"friendship",
+	"gentle",
+	"probably",
+	"six",
+	"deserve",
+	"expect",
+	"grab",
+	"middle",
+	"nightmare",
+	"river",
+	"thousand",
+	"weight",
+	"worst",
+	"wound",
+	"barely",
+	"bottle",
+	"cream",
+	"regret",
+	"relationship",
+	"stick",
+	"test",
+	"crush",
+	"endless",
+	"fault",
+	"itself",
+	"rule",
+	"spill",
+	"art",
+	"circle",
+	"join",
+	"kick",
+	"mask",
+	"master",
+	"passion",
+	"quick",
+	"raise",
+	"smooth",
+	"unless",
+	"wander",
+	"actually",
+	"broke",
+	"chair",
+	"deal",
+	"favorite",
+	"gift",
+	"note",
+	"number",
+	"sweat",
+	"box",
+	"chill",
+	"clothes",
+	"lady",
+	"mark",
+	"park",
+	"poor",
+	"sadness",
+	"tie",
+	"animal",
+	"belong",
+	"brush",
+	"consume",
+	"dawn",
+	"forest",
+	"innocent",
+	"pen",
+	"pride",
+	"stream",
+	"thick",
+	"clay",
+	"complete",
+	"count",
+	"draw",
+	"faith",
+	"press",
+	"silver",
+	"struggle",
+	"surface",
+	"taught",
+	"teach",
+	"wet",
+	"bless",
+	"chase",
+	"climb",
+	"enter",
+	"letter",
+	"melt",
+	"metal",
+	"movie",
+	"stretch",
+	"swing",
+	"vision",
+	"wife",
+	"beside",
+	"crash",
+	"forgot",
+	"guide",
+	"haunt",
+	"joke",
+	"knock",
+	"plant",
+	"pour",
+	"prove",
+	"reveal",
+	"steal",
+	"stuff",
+	"trip",
+	"wood",
+	"wrist",
+	"bother",
+	"bottom",
+	"crawl",
+	"crowd",
+	"fix",
+	"forgive",
+	"frown",
+	"grace",
+	"loose",
+	"lucky",
+	"party",
+	"release",
+	"surely",
+	"survive",
+	"teacher",
+	"gently",
+	"grip",
+	"speed",
+	"suicide",
+	"travel",
+	"treat",
+	"vein",
+	"written",
+	"cage",
+	"chain",
+	"conversation",
+	"date",
+	"enemy",
+	"however",
+	"interest",
+	"million",
+	"page",
+	"pink",
+	"proud",
+	"sway",
+	"themselves",
+	"winter",
+	"church",
+	"cruel",
+	"cup",
+	"demon",
+	"experience",
+	"freedom",
+	"pair",
+	"pop",
+	"purpose",
+	"respect",
+	"shoot",
+	"softly",
+	"state",
+	"strange",
+	"bar",
+	"birth",
+	"curl",
+	"dirt",
+	"excuse",
+	"lord",
+	"lovely",
+	"monster",
+	"order",
+	"pack",
+	"pants",
+	"pool",
+	"scene",
+	"seven",
+	"shame",
+	"slide",
+	"ugly",
+	"among",
+	"blade",
+	"blonde",
+	"closet",
+	"creek",
+	"deny",
+	"drug",
+	"eternity",
+	"gain",
+	"grade",
+	"handle",
+	"key",
+	"linger",
+	"pale",
+	"prepare",
+	"swallow",
+	"swim",
+	"tremble",
+	"wheel",
+	"won",
+	"cast",
+	"cigarette",
+	"claim",
+	"college",
+	"direction",
+	"dirty",
+	"gather",
+	"ghost",
+	"hundred",
+	"loss",
+	"lung",
+	"orange",
+	"present",
+	"swear",
+	"swirl",
+	"twice",
+	"wild",
+	"bitter",
+	"blanket",
+	"doctor",
+	"everywhere",
+	"flash",
+	"grown",
+	"knowledge",
+	"numb",
+	"pressure",
+	"radio",
+	"repeat",
+	"ruin",
+	"spend",
+	"unknown",
+	"buy",
+	"clock",
+	"devil",
+	"early",
+	"false",
+	"fantasy",
+	"pound",
+	"precious",
+	"refuse",
+	"sheet",
+	"teeth",
+	"welcome",
+	"add",
+	"ahead",
+	"block",
+	"bury",
+	"caress",
+	"content",
+	"depth",
+	"despite",
+	"distant",
+	"marry",
+	"purple",
+	"threw",
+	"whenever",
+	"bomb",
+	"dull",
+	"easily",
+	"grasp",
+	"hospital",
+	"innocence",
+	"normal",
+	"receive",
+	"reply",
+	"rhyme",
+	"shade",
+	"someday",
+	"sword",
+	"toe",
+	"visit",
+	"asleep",
+	"bought",
+	"center",
+	"consider",
+	"flat",
+	"hero",
+	"history",
+	"ink",
+	"insane",
+	"muscle",
+	"mystery",
+	"pocket",
+	"reflection",
+	"shove",
+	"silently",
+	"smart",
+	"soldier",
+	"spot",
+	"stress",
+	"train",
+	"type",
+	"view",
+	"whether",
+	"bus",
+	"energy",
+	"explain",
+	"holy",
+	"hunger",
+	"inch",
+	"magic",
+	"mix",
+	"noise",
+	"nowhere",
+	"prayer",
+	"presence",
+	"shock",
+	"snap",
+	"spider",
+	"study",
+	"thunder",
+	"trail",
+	"admit",
+	"agree",
+	"bag",
+	"bang",
+	"bound",
+	"butterfly",
+	"cute",
+	"exactly",
+	"explode",
+	"familiar",
+	"fold",
+	"further",
+	"pierce",
+	"reflect",
+	"scent",
+	"selfish",
+	"sharp",
+	"sink",
+	"spring",
+	"stumble",
+	"universe",
+	"weep",
+	"women",
+	"wonderful",
+	"action",
+	"ancient",
+	"attempt",
+	"avoid",
+	"birthday",
+	"branch",
+	"chocolate",
+	"core",
+	"depress",
+	"drunk",
+	"especially",
+	"focus",
+	"fruit",
+	"honest",
+	"match",
+	"palm",
+	"perfectly",
+	"pillow",
+	"pity",
+	"poison",
+	"roar",
+	"shift",
+	"slightly",
+	"thump",
+	"truck",
+	"tune",
+	"twenty",
+	"unable",
+	"wipe",
+	"wrote",
+	"coat",
+	"constant",
+	"dinner",
+	"drove",
+	"egg",
+	"eternal",
+	"flight",
+	"flood",
+	"frame",
+	"freak",
+	"gasp",
+	"glad",
+	"hollow",
+	"motion",
+	"peer",
+	"plastic",
+	"root",
+	"screen",
+	"season",
+	"sting",
+	"strike",
+	"team",
+	"unlike",
+	"victim",
+	"volume",
+	"warn",
+	"weird",
+	"attack",
+	"await",
+	"awake",
+	"built",
+	"charm",
+	"crave",
+	"despair",
+	"fought",
+	"grant",
+	"grief",
+	"horse",
+	"limit",
+	"message",
+	"ripple",
+	"sanity",
+	"scatter",
+	"serve",
+	"split",
+	"string",
+	"trick",
+	"annoy",
+	"blur",
+	"boat",
+	"brave",
+	"clearly",
+	"cling",
+	"connect",
+	"fist",
+	"forth",
+	"imagination",
+	"iron",
+	"jock",
+	"judge",
+	"lesson",
+	"milk",
+	"misery",
+	"nail",
+	"naked",
+	"ourselves",
+	"poet",
+	"possible",
+	"princess",
+	"sail",
+	"size",
+	"snake",
+	"society",
+	"stroke",
+	"torture",
+	"toss",
+	"trace",
+	"wise",
+	"bloom",
+	"bullet",
+	"cell",
+	"check",
+	"cost",
+	"darling",
+	"during",
+	"footstep",
+	"fragile",
+	"hallway",
+	"hardly",
+	"horizon",
+	"invisible",
+	"journey",
+	"midnight",
+	"mud",
+	"nod",
+	"pause",
+	"relax",
+	"shiver",
+	"sudden",
+	"value",
+	"youth",
+	"abuse",
+	"admire",
+	"blink",
+	"breast",
+	"bruise",
+	"constantly",
+	"couple",
+	"creep",
+	"curve",
+	"difference",
+	"dumb",
+	"emptiness",
+	"gotta",
+	"honor",
+	"plain",
+	"planet",
+	"recall",
+	"rub",
+	"ship",
+	"slam",
+	"soar",
+	"somebody",
+	"tightly",
+	"weather",
+	"adore",
+	"approach",
+	"bond",
+	"bread",
+	"burst",
+	"candle",
+	"coffee",
+	"cousin",
+	"crime",
+	"desert",
+	"flutter",
+	"frozen",
+	"grand",
+	"heel",
+	"hello",
+	"language",
+	"level",
+	"movement",
+	"pleasure",
+	"powerful",
+	"random",
+	"rhythm",
+	"settle",
+	"silly",
+	"slap",
+	"sort",
+	"spoken",
+	"steel",
+	"threaten",
+	"tumble",
+	"upset",
+	"aside",
+	"awkward",
+	"bee",
+	"blank",
+	"board",
+	"button",
+	"card",
+	"carefully",
+	"complain",
+	"crap",
+	"deeply",
+	"discover",
+	"drag",
+	"dread",
+	"effort",
+	"entire",
+	"fairy",
+	"giant",
+	"gotten",
+	"greet",
+	"illusion",
+	"jeans",
+	"leap",
+	"liquid",
+	"march",
+	"mend",
+	"nervous",
+	"nine",
+	"replace",
+	"rope",
+	"spine",
+	"stole",
+	"terror",
+	"accident",
+	"apple",
+	"balance",
+	"boom",
+	"childhood",
+	"collect",
+	"demand",
+	"depression",
+	"eventually",
+	"faint",
+	"glare",
+	"goal",
+	"group",
+	"honey",
+	"kitchen",
+	"laid",
+	"limb",
+	"machine",
+	"mere",
+	"mold",
+	"murder",
+	"nerve",
+	"painful",
+	"poetry",
+	"prince",
+	"rabbit",
+	"shelter",
+	"shore",
+	"shower",
+	"soothe",
+	"stair",
+	"steady",
+	"sunlight",
+	"tangle",
+	"tease",
+	"treasure",
+	"uncle",
+	"begun",
+	"bliss",
+	"canvas",
+	"cheer",
+	"claw",
+	"clutch",
+	"commit",
+	"crimson",
+	"crystal",
+	"delight",
+	"doll",
+	"existence",
+	"express",
+	"fog",
+	"football",
+	"gay",
+	"goose",
+	"guard",
+	"hatred",
+	"illuminate",
+	"mass",
+	"math",
+	"mourn",
+	"rich",
+	"rough",
+	"skip",
+	"stir",
+	"student",
+	"style",
+	"support",
+	"thorn",
+	"tough",
+	"yard",
+	"yearn",
+	"yesterday",
+	"advice",
+	"appreciate",
+	"autumn",
+	"bank",
+	"beam",
+	"bowl",
+	"capture",
+	"carve",
+	"collapse",
+	"confusion",
+	"creation",
+	"dove",
+	"feather",
+	"girlfriend",
+	"glory",
+	"government",
+	"harsh",
+	"hop",
+	"inner",
+	"loser",
+	"moonlight",
+	"neighbor",
+	"neither",
+	"peach",
+	"pig",
+	"praise",
+	"screw",
+	"shield",
+	"shimmer",
+	"sneak",
+	"stab",
+	"subject",
+	"throughout",
+	"thrown",
+	"tower",
+	"twirl",
+	"wow",
+	"army",
+	"arrive",
+	"bathroom",
+	"bump",
+	"cease",
+	"cookie",
+	"couch",
+	"courage",
+	"dim",
+	"guilt",
+	"howl",
+	"hum",
+	"husband",
+	"insult",
+	"led",
+	"lunch",
+	"mock",
+	"mostly",
+	"natural",
+	"nearly",
+	"needle",
+	"nerd",
+	"peaceful",
+	"perfection",
+	"pile",
+	"price",
+	"remove",
+	"roam",
+	"sanctuary",
+	"serious",
+	"shiny",
+	"shook",
+	"sob",
+	"stolen",
+	"tap",
+	"vain",
+	"void",
+	"warrior",
+	"wrinkle",
+	"affection",
+	"apologize",
+	"blossom",
+	"bounce",
+	"bridge",
+	"cheap",
+	"crumble",
+	"decision",
+	"descend",
+	"desperately",
+	"dig",
+	"dot",
+	"flip",
+	"frighten",
+	"heartbeat",
+	"huge",
+	"lazy",
+	"lick",
+	"odd",
+	"opinion",
+	"process",
+	"puzzle",
+	"quietly",
+	"retreat",
+	"score",
+	"sentence",
+	"separate",
+	"situation",
+	"skill",
+	"soak",
+	"square",
+	"stray",
+	"taint",
+	"task",
+	"tide",
+	"underneath",
+	"veil",
+	"whistle",
+	"anywhere",
+	"bedroom",
+	"bid",
+	"bloody",
+	"burden",
+	"careful",
+	"compare",
+	"concern",
+	"curtain",
+	"decay",
+	"defeat",
+	"describe",
+	"double",
+	"dreamer",
+	"driver",
+	"dwell",
+	"evening",
+	"flare",
+	"flicker",
+	"grandma",
+	"guitar",
+	"harm",
+	"horrible",
+	"hungry",
+	"indeed",
+	"lace",
+	"melody",
+	"monkey",
+	"nation",
+	"object",
+	"obviously",
+	"rainbow",
+	"salt",
+	"scratch",
+	"shown",
+	"shy",
+	"stage",
+	"stun",
+	"third",
+	"tickle",
+	"useless",
+	"weakness",
+	"worship",
+	"worthless",
+	"afternoon",
+	"beard",
+	"boyfriend",
+	"bubble",
+	"busy",
+	"certain",
+	"chin",
+	"concrete",
+	"desk",
+	"diamond",
+	"doom",
+	"drawn",
+	"due",
+	"felicity",
+	"freeze",
+	"frost",
+	"garden",
+	"glide",
+	"harmony",
+	"hopefully",
+	"hunt",
+	"jealous",
+	"lightning",
+	"mama",
+	"mercy",
+	"peel",
+	"physical",
+	"position",
+	"pulse",
+	"punch",
+	"quit",
+	"rant",
+	"respond",
+	"salty",
+	"sane",
+	"satisfy",
+	"savior",
+	"sheep",
+	"slept",
+	"social",
+	"sport",
+	"tuck",
+	"utter",
+	"valley",
+	"wolf",
+	"aim",
+	"alas",
+	"alter",
+	"arrow",
+	"awaken",
+	"beaten",
+	"belief",
+	"brand",
+	"ceiling",
+	"cheese",
+	"clue",
+	"confidence",
+	"connection",
+	"daily",
+	"disguise",
+	"eager",
+	"erase",
+	"essence",
+	"everytime",
+	"expression",
+	"fan",
+	"flag",
+	"flirt",
+	"foul",
+	"fur",
+	"giggle",
+	"glorious",
+	"ignorance",
+	"law",
+	"lifeless",
+	"measure",
+	"mighty",
+	"muse",
+	"north",
+	"opposite",
+	"paradise",
+	"patience",
+	"patient",
+	"pencil",
+	"petal",
+	"plate",
+	"ponder",
+	"possibly",
+	"practice",
+	"slice",
+	"spell",
+	"stock",
+	"strife",
+	"strip",
+	"suffocate",
+	"suit",
+	"tender",
+	"tool",
+	"trade",
+	"velvet",
+	"verse",
+	"waist",
+	"witch",
+	"aunt",
+	"bench",
+	"bold",
+	"cap",
+	"certainly",
+	"click",
+	"companion",
+	"creator",
+	"dart",
+	"delicate",
+	"determine",
+	"dish",
+	"dragon",
+	"drama",
+	"drum",
+	"dude",
+	"everybody",
+	"feast",
+	"forehead",
+	"former",
+	"fright",
+	"fully",
+	"gas",
+	"hook",
+	"hurl",
+	"invite",
+	"juice",
+	"manage",
+	"moral",
+	"possess",
+	"raw",
+	"rebel",
+	"royal",
+	"scale",
+	"scary",
+	"several",
+	"slight",
+	"stubborn",
+	"swell",
+	"talent",
+	"tea",
+	"terrible",
+	"thread",
+	"torment",
+	"trickle",
+	"usually",
+	"vast",
+	"violence",
+	"weave",
+	"acid",
+	"agony",
+	"ashamed",
+	"awe",
+	"belly",
+	"blend",
+	"blush",
+	"character",
+	"cheat",
+	"common",
+	"company",
+	"coward",
+	"creak",
+	"danger",
+	"deadly",
+	"defense",
+	"define",
+	"depend",
+	"desperate",
+	"destination",
+	"dew",
+	"duck",
+	"dusty",
+	"embarrass",
+	"engine",
+	"example",
+	"explore",
+	"foe",
+	"freely",
+	"frustrate",
+	"generation",
+	"glove",
+	"guilty",
+	"health",
+	"hurry",
+	"idiot",
+	"impossible",
+	"inhale",
+	"jaw",
+	"kingdom",
+	"mention",
+	"mist",
+	"moan",
+	"mumble",
+	"mutter",
+	"observe",
+	"ode",
+	"pathetic",
+	"pattern",
+	"pie",
+	"prefer",
+	"puff",
+	"rape",
+	"rare",
+	"revenge",
+	"rude",
+	"scrape",
+	"spiral",
+	"squeeze",
+	"strain",
+	"sunset",
+	"suspend",
+	"sympathy",
+	"thigh",
+	"throne",
+	"total",
+	"unseen",
+	"weapon",
+	"weary",
+}