Bip39 Github. Often Verify if hardware wallet maker explicitly mention the opportunity to restore wallet from another compatible wallet (BIP39/BIP44) during the documentation. For words that only have 3 letters, there is absolutely no 4th letter. One example is With all the word “include”, there are no more letters afterwards https://thedeepdirectory.com/listings13074873/bip39-seed-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-compatible-wallet