For words that have only three letters, there isn't any 4th letter. For example with the word “include”, there won't be any a lot more letters Later on and thus should be the word "include". The word “addict” is inside the BIP39 wordlist however , you would've used “addi” for https://socialexpresions.com/story5136395/top-guidelines-of-bip39-word-list-pdf