"c ⇌ go / [-labdent]*[-spread -lat -labdent][a-e-i-m-n-o-r-u-y-ā-ē-ī-ō-ū]_s" . . . "c ⇌ go / [-labdent]*[-spread -lat -labdent][a-e-i-m-n-o-r-u-y-ā-ē-ī-ō-ū]_s" . .