Bip39 Dictionary. Since the 24th is usually a checksum word, a list of 8 valid candidate words are calculated using the Python script 24thword.py. For words that have only 3 letters, there is not any 4th letter. One example is Together with the word “incorporate”, there aren't any extra letters https://webtalkdirectory.com/listings13070095/bip39-passphrase-generator-https-linktr-ee-bip39-the-greatest-guide-to-bip39-checksum