For words that have only three letters, there isn't any 4th letter. For example with the word “insert”, there are no a lot more letters afterwards and therefore must be the word "insert". The word “addict” is in the BIP39 wordlist but you might have used “addi” for “addict”. How https://ilovebookmark.com/story18848622/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news