Bip39 Passphrase Generator. Since the 24th is often a checksum word, a list of eight legitimate candidate words are calculated using the Python script 24thword.py. For words that only have three letters, there isn't any 4th letter. Such as Using the word “insert”, there aren't any more letters Later on https://linkdirectory101.com/listings633362/bip39-word-list-numbers-https-linktr-ee-bip39-top-bip39-seed-phrase-secrets