"_ī ⇌ at_m / [-spread -lat]*[-spread -labdent -low][-long][b-c-d-g-k-m-n-p-q-t]_u_" . . . "_ī ⇌ at_m / [-spread -lat]*[-spread -labdent -low][-long][b-c-d-g-k-m-n-p-q-t]_u_" . .