For words that have only 3 letters, there is absolutely no 4th letter. One example is with the word “include”, there isn't any far more letters Later on and thus has to be the word "increase". The word “addict” is within the BIP39 wordlist but you would've employed “addi” for https://bookmarksaifi.com/story19685964/invalid-bip39-phrase-things-to-know-before-you-buy