Bip39 light standard https://www.4shared.com/s/fAf7kF4dLku It's very important which the mnemonic sentences are produced from randomly selected numbers! These quantities might be generated in many different alternative ways, which might be described in other articles in this article, like "Precisely what is an RNG" and Seed Phrase Generation. It is easy https://bookmark-vip.com/story20433849/bip39-blockchain-bip39-converter-an-overview-https-cutt-ly-uryc5rw7