For words that only have three letters, there's no 4th letter. For instance with the word “include”, there are no extra letters afterwards and so have to be the word "include". The word “addict” is in the BIP39 wordlist however, you would've employed “addi” for “addict”. Protection: Anyone with your https://classifylist.com/story20574934/new-step-by-step-map-for-bip39-english-words