Bip39 specification https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 3a43fced052690635cc9fdce418514528b000dff3eaa5b986ea7be809062e775f2fe99c76733ff200b56fb70cac7c6ac7818b1e8139192a70fe274f5bf57fa46 For words that only have three letters, there isn't any 4th letter. For example With all the word “increase”, there aren't any extra letters Lat... https://socialbuzzmaster.com/story6126863/bip39-cryptotag-the-5-second-trick-for-bip39-mnemonic-code-converter-tool-https-t-me-bip39-chat