For words that only have three letters, there's no 4th letter. For instance with the word “include”, there isn't any much more letters Later on and so need to be the word "insert". The word “addict” is while in the BIP39 wordlist however , you would have employed “addi” for https://explorebookmarks.com/story18739652/new-step-by-step-map-for-bip39-english-words