For words that have only three letters, there is no 4th letter. Such as with the word “include”, there isn't any much more letters Later on and thus should be the word "include". The word “addict” is within the BIP39 wordlist however, you would have applied “addi” for “addict”. Meticulously https://zbookmarkhub.com/story19746009/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-seed-phrase-mnemonics-generator