"a_ere ⇌ eci_ī / [a-b-d-e-o-p-r-s-t-z-ā-ē-ō]*[-spread -nas -lat -labdent -low]*c_[d-n]_" . . . "a_ere ⇌ eci_ī / [a-b-d-e-o-p-r-s-t-z-ā-ē-ō]*[-spread -nas -lat -labdent -low]*c_[d-n]_" . .