For words that have only three letters, there isn't a 4th letter. Such as with the word “include”, there won't be any more letters afterwards and thus should be the word "add". The word “addict” is during the BIP39 wordlist but you would've utilised “addi” for “addict”. When you are https://yesbookmarks.com/story19703383/bip39-phrase-generator-can-be-fun-for-anyone