Bip39 address https://rylanmecp341.wpsuo.com/bip32-vs-bip39-which-is-better-for-your-copyright-demands BIP85: A more recent proposal allowing the deterministic derivation of numerous BIP39 mnemonic seeds from the master seed. For words that have only three letters, there is no 4th letter. As an example with the word “include”, there won't be any more letters Later on and therefore https://whitebookmarks.com/story20522802/bip39-mnemonic-github-indicators-on-bip39-ian-coleman-you-should-know-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw