For words that have only three letters, there is not any 4th letter. Such as with the word “include”, there isn't any a lot more letters Later on and therefore have to be the word "incorporate". The word “addict” is during the BIP39 wordlist but you would've utilised “addi” for https://exactlybookmarks.com/story18981051/new-step-by-step-map-for-bip39-english-words