For words that have only 3 letters, there's no 4th letter. For instance with the word “add”, there won't be any a lot more letters afterwards and thus should be the word "increase". The word “addict” is from the BIP39 wordlist but you would've employed “addi” for “addict”. Meticulously evaluation https://7bookmarks.com/story19022843/a-review-of-bip39