For words that only have three letters, there isn't a 4th letter. Such as with the word “insert”, there are no more letters Later on and thus have to be the word "incorporate". The word “addict” is while in the BIP39 wordlist however you would've utilised “addi” for “addict”. How https://bookmarktune.com/story18740601/new-step-by-step-map-for-ledger-seed-phrase-bip39