Official bip39 list https://unsplash.com/@morganvmyg BIP85: A more moderen proposal allowing the deterministic derivation of several BIP39 mnemonic seeds from the learn seed. For words that have only three letters, there isn't a 4th letter. For example with the word “add”, there aren't any additional letters afterwards and therefore must be https://bookmarklayer.com/story19899581/bip39-to-seed-detailed-notes-on-bip39-wallet-https-dzen-ru-bip39-phrase-com