" ⇌ er / [-spread -nas -lat -labdent -low]*[c-g-k-q-u-ū][e-i-l-o-r-u-y-ē-ī-ō-ū][e-i-m-n-o-r-u-y-ē-ī-ō-ū]_is" . . . " ⇌ er / [-spread -nas -lat -labdent -low]*[c-g-k-q-u-ū][e-i-l-o-r-u-y-ē-ī-ō-ū][e-i-m-n-o-r-u-y-ē-ī-ō-ū]_is" . .