"i_iscī ⇌ e_tum / [a-e]?[b-d-m-n]_[b-d-m-n-p-t]_" . . . "i_iscī ⇌ e_tum / [a-e]?[b-d-m-n]_[b-d-m-n-p-t]_" . .