"erēr_ ⇌ _sum / [a-b-c-d-e-g-k-o-p-q-s-t-y-z-ā-ē-ō]*ha_e_" . . . "erēr_ ⇌ _sum / [a-b-c-d-e-g-k-o-p-q-s-t-y-z-ā-ē-ō]*ha_e_" . .