Bip39 Npm. Because the 24th can be a checksum word, a list of 8 valid prospect words are calculated using the Python script 24thword.py. To protect versus the $5 wrench attack, you could potentially establish a "dummy wallet" by making use of an "extra" passphrase along with your hardware wallet. https://webdirectorytalk.com/listings584959/bip39-mnemonic-https-linktr-ee-bip39-5-simple-techniques-for-bip39-mnemonic