Formato Bip39. The only explanation Those people letters are listed is to really make it a lot easier for our human brains to examine them And maybe memorize our recovery phrase. The obvious way to store you seed Get well phrase is with a Billfodl which you should purchase by https://erickdpalv.wikilentillas.com/1110158/the_anatomy_of_the_bip39_phrase_entropy_terms_and_safety