Bip39 Mnemonic Code Converter Tool. As the 24th is really a checksum word, a list of eight valid candidate words are calculated using the Python script 24thword.py. For words that have only 3 letters, there isn't any 4th letter. One example is Using the word “insert”, there aren't any extra https://e-web-directory.com/listings13054529/bip39-tool-https-linktr-ee-bip39-facts-about-bip39-checksum-revealed