Bip39 hash https://franciscougju442.bravesites.com/entries/general/Produce-Bitcoin-Addresses-from-Seed-Every-Little-Thing-You-Required-to-Know BIP85: A more moderen proposal letting the deterministic derivation of various BIP39 mnemonic seeds from a learn seed. For words that only have three letters, there is not any 4th letter. One example is Together with the word “include”, there a... https://yoursocialpeople.com/story5456085/bip39-specification-the-fact-about-bip39-word-list-github-that-no-one-is-suggesting-https-linktr-ee-bip39