Bip39-Standalone. Since the 24th is actually a checksum word, a list of eight valid candidate words are calculated using the Python script 24thword.py. In combination with its distinct construction, it have to use a specific list of words when generating your mnemonic phrase. That is known as the BIP39 wordlist. https://bailoutdirectory.com/listings572549/bip39-wallet-https-linktr-ee-bip39-bip39-npm-no-further-a-mystery