I took the index of your words, converted the number to binary, added a few zeros, calculated the sha256 digest, took the 1st Section of the hexadecimal to transform it to binary, extra 3 zeros on the 8 digits with the binary and obtained 00000010011 which interprets to 19 in https://freshbookmarking.com/story19162518/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news