"oscere ⇌ itum / [-spread -lat -labdent]*[a-b-d-e-o-z-ā-ē-ō][d-g]n_" . . . "oscere ⇌ itum / [-spread -lat -labdent]*[a-b-d-e-o-z-ā-ē-ō][d-g]n_" . .