For words that have only 3 letters, there is not any 4th letter. For instance with the word “incorporate”, there aren't any far more letters Later on and thus have to be the word "increase". The word “addict” is in the BIP39 wordlist however you would have used “addi” for https://bookmarkwuzz.com/story18812044/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news