For words that only have three letters, there isn't any 4th letter. Such as with the word “insert”, there isn't any more letters Later on and therefore must be the word "incorporate". The word “addict” is while in the BIP39 wordlist however, you might have used “addi” for “addict”. A https://sociallawy.com/story9149808/examine-this-report-on-bip39-passphrase