"_et ⇌ su_um / [-spread -lat -labdent]*[c-g-k-q-u-ū][e-i-o-u]r_r_" . . . "_et ⇌ su_um / [-spread -lat -labdent]*[c-g-k-q-u-ū][e-i-o-u]r_r_" . .