Bip39 Words. Entropy values must be sourced from a strong supply of randomness. What this means is flipping a good coin, rolling a fair dice, noise measurements etc. Do NOT use phrases from guides, lyrics from music, your birthday or steet address, keyboard mashing, or everything you believe is random, https://directoryindexer.com/listings13015552/bip39-tool-https-linktr-ee-bip39-5-simple-statements-about-bip39-compatible-wallet-explained