"cet ⇌ sum / [b-c-d-e-g-k-m-n-o-p-q-s-t-y-z-ē-ō]*par_" . . . "cet ⇌ sum / [b-c-d-e-g-k-m-n-o-p-q-s-t-y-z-ē-ō]*par_" . .