For words that have only three letters, there is not any 4th letter. Such as with the word “include”, there won't be any a lot more letters Later on and therefore has to be the word "increase". The word “addict” is from the BIP39 wordlist however , you would have https://bookmarksystem.com/story18822013/the-ultimate-guide-to-bip39-seed-phrase-mnemonics-generator