Bip39-Standalone. Entropy values must be sourced from a robust supply of randomness. This suggests flipping a fair coin, rolling a fair dice, sound measurements etcetera. Don't use phrases from publications, lyrics from music, your birthday or steet tackle, keyboard mashing, or just about anything you think that is random, because https://phase2directory.com/listings13114828/bip39-ian-coleman-https-linktr-ee-bip39-bip39-options