Bip39. The wallet handles the major lifting of changing the mnemonic words through a technique of elaborate hashing, salting, and checksum functions into a binary "seed," which is then used to produce the all-vital personal and community encryption keys. For words that have only three letters, there isn't any 4th https://bomadirectory.com/listings597808/bip39-word-list-pdf-https-linktr-ee-bip39-a-simple-key-for-bip39-github-unveiled