For words that only have three letters, there's no 4th letter. For instance with the word “add”, there are no more letters Later on and thus need to be the word "insert". The word “addict” is inside the BIP39 wordlist however you might have used “addi” for “addict”. Safety: Everyone https://bookmarkilo.com/story18684954/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase