For words that have only 3 letters, there's no 4th letter. For instance with the word “add”, there isn't any a lot more letters Later on and so should be the word "insert". The word “addict” is from the BIP39 wordlist however you might have utilized “addi” for “addict”. Locating https://opensocialfactory.com/story19283486/fascination-about-invalid-bip39-phrase