For words that only have three letters, there is not any 4th letter. For example with the word “add”, there isn't any far more letters Later on and therefore need to be the word "add". The word “addict” is during the BIP39 wordlist however, you might have employed “addi” for https://sites2000.com/story9304318/getting-my-bip39-words-to-numbers-to-work