Bip39 standalone https://collinmmss433.lucialpiazzale.com/from-concept-to-fact-generating-bitcoin-addresses-with-bip39 BIP85: A newer proposal enabling the deterministic derivation of a number of BIP39 mnemonic seeds from a learn seed. For words that have only 3 letters, there is absolutely no 4th letter. For example Together with the word “add”, there won't be any much more letters a... https://adsbookmark.com/story20757697/bip39-github-not-known-details-about-bip39-word-list-txt-https-x-com-tundra838554