hjklfdsahjklfdsauioprewqbnm,vcxz
You've done qwertyuiop, qwertyuiopasdfghjklzxcvbnm, poiuytrewq';lkjhgdsa/.,mnbvcxz, zaqxswcdevfbgtnhymju,ki.lo/;p', qazwsxedcrfvtgbyhnujmik,ol.p;/', etc. And tried something that felt satisfying to your four fingers.
Mom! I created something! Look! He types, "hjklfdsahjklfdsauioprewqbnm,vcxz"