Bip39 Github. Entropy values have to be sourced from a powerful source of randomness. This implies flipping a fair coin, rolling a fair dice, noise measurements etc. Will not use phrases from textbooks, lyrics from tunes, your birthday or steet address, keyboard mashing, or anything you think that is random, https://zopedirectory.com/listings595965/bip39-standalone-https-linktr-ee-bip39-bip39-word-list-pdf-options