For words that only have three letters, there's no 4th letter. Such as with the word “add”, there won't be any extra letters afterwards and so should be the word "include". The word “addict” is inside the BIP39 wordlist however, you would have utilized “addi” for “addict”. BIP39 and forty https://bookmark-share.com/story18855245/5-simple-techniques-for-bip39-word-list-pdf