Bip39 Vs Slip39. Entropy values should be sourced from a strong source of randomness. This means flipping a good coin, rolling a good dice, sounds measurements etcetera. Will not use phrases from publications, lyrics from songs, your birthday or steet handle, keyboard mashing, or something you think that is random, https://wow-directory.com/listings684978/bip39-word-list-https-linktr-ee-bip39-bip39-passphrase-generator-fundamentals-explained