For words that have only three letters, there's no 4th letter. As an example with the word “insert”, there won't be any far more letters Later on and thus should be the word "add". The word “addict” is during the BIP39 wordlist however you would have made use of “addi” https://socialclubfm.com/story10104275/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news