For words that only have 3 letters, there isn't any 4th letter. For instance with the word “add”, there isn't any extra letters afterwards and thus must be the word "incorporate". The word “addict” is during the BIP39 wordlist however, you would have employed “addi” for “addict”. Various Wallets:When you https://siambookmark.com/story19504724/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool