"_ēre ⇌ t_m / [-spread -lat -labdent]*[b-f-m-o-p-q-u-y-ō-ū]o_u_" . . . "_ēre ⇌ t_m / [-spread -lat -labdent]*[b-f-m-o-p-q-u-y-ō-ū]o_u_" . .