Bip39 Vs Slip39. Entropy values need to be sourced from a robust source of randomness. This means flipping a fair coin, rolling a fair dice, sounds measurements etcetera. Will not use phrases from textbooks, lyrics from tunes, your birthday or steet deal with, keyboard mashing, or everything you're thinking that https://omg-directory.com/listings13164475/bip39-passphrase-generator-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic-generator