For words that only have three letters, there's no 4th letter. For instance with the word “increase”, there are no extra letters Later on and thus have to be the word "include". The word “addict” is from the BIP39 wordlist however you would've employed “addi” for “addict”. Multiple Wallets:In the https://bookmarkinglog.com/story18845336/considerations-to-know-about-bip39-seed-phrase-generator