Bip39 Passphrase Generator. Since the 24th is actually a checksum word, a list of eight valid 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 Together with the word “increase”, there aren't any additional letters Later https://e-directory2u.com/listings13052371/bip39-words-https-linktr-ee-bip39-bip39-mnemonic-generator-fundamentals-explained