For words that have only three letters, there isn't a 4th letter. For example with the word “include”, there aren't any extra letters afterwards and so should be the word "include". The word “addict” is within the BIP39 wordlist but you might have employed “addi” for “addict”. Meticulously overview your https://nimmansocial.com/story8631931/a-secret-weapon-for-bip39-words-to-numbers