For words that only have three letters, there isn't a 4th letter. By way of example with the word “add”, there isn't any far more letters afterwards and thus needs to be the word "incorporate". The word “addict” is in the BIP39 wordlist however, you would have utilised “addi” for https://lingeriebookmark.com/story8662769/the-invalid-bip39-phrase-diaries