Bip39 documentation https://jsbin.com/titaniseko D'CENT Biometric Wallet - A components wallet by using a biometric authentication element, supporting BIP39 seed phrases and giving an additional layer of security. For words that have only three letters, there isn't a 4th letter. One example is Together with the word “include”, there isn't any https://thesocialroi.com/story10419878/bip39-test-vectors-everything-about-bip39-word-list-txt-https-t-me-bip39-chat