For words that only have three letters, there is absolutely no 4th letter. For instance with the word “include”, there isn't any a lot more letters Later on and thus needs to be the word "incorporate". The word “addict” is in the BIP39 wordlist however, you would've utilised “addi” for https://olivebookmarks.com/story19041582/top-latest-five-bip39-words-urban-news