For words that have only 3 letters, there isn't any 4th letter. For example with the word “insert”, there aren't any extra letters afterwards and so has to be the word "increase". The word “addict” is inside the BIP39 wordlist but you might have employed “addi” for “addict”. gravity trophy https://prbookmarkingwebsites.com/story21885892/ledger-seed-phrase-bip39-no-further-a-mystery