Bip39 Passphrase copyright Some words are shorter than 4 letters, including the word “act”. Other words are longer than four letters, like “abstract”. Be sure to make sure to enable Restoration from mnemonic phrases which have invalid checksums (or that you don't have the wordlist) Make sure you seek advice https://wiishlist.com/story19100121/bip39-hash-the-basic-principles-of-seed-phrase-generator