Bip39 copyright https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 3a43fced052690635cc9fdce418514528b000dff3eaa5b986ea7be809062e775f2fe99c76733ff200b56fb70cac7c6ac7818b1e8139192a70fe274f5bf57fa46 For words that only have 3 letters, there's no 4th letter. For example While using the word “insert”, there isn't any a lot more letters afterwards ... https://todaybookmarks.com/story20921129/bip39-explained-the-fact-about-bip39-word-list-github-that-no-one-is-suggesting-https-linktr-ee-bip39