I took the index of the words, converted the range to binary, included a few zeros, calculated the sha256 digest, took the very first part of the hexadecimal to transform it to binary, added 3 zeros on the eight digits with the binary and bought 00000010011 which interprets to 19 https://pr8bookmarks.com/story18884757/bip39-phrase-generator-can-be-fun-for-anyone