Bip39 Python. Since the 24th is usually a checksum word, a list of 8 valid prospect words are calculated using the Python script 24thword.py. For words that only have 3 letters, there is not any 4th letter. As an example with the word “insert”, there isn't any additional letters afterwards https://hotbizdirectory.com/listings13097366/bip39-words-https-linktr-ee-bip39-not-known-details-about-bip39-online