Bip39 algorithm https://www.4shared.com/s/fAf7kF4dLku This is why you need to produce a backup of your respective seed phrase making use of metal copyright wallet like Coinplate, which happen to be a hundred% chrome steel and BIP39 compatible. For words that only have three letters, there is not any 4th letter. For https://single-bookmark.com/story20634474/trezor-one-bip39-5-tips-about-bip39-standard-you-can-use-today-https-x-com-tundra838554