Official bip39 word list https://www.anime-planet.com/users/zoriuswxxq It really is extremely important that the mnemonic sentences are generated from randomly selected numbers! These numbers could be produced in a number of different ways, that are described in other content articles listed here, like "What is an RNG" and Seed Phrase Generation. This https://www.tumblr.com/generalllamacolor/787594721599078400/can-you-depend-on-online-bip39-generators-a