"nge_ ⇌ c_um / [-spread -lat]*[b-d-f-m-n-p-r-s-t-z][a-e-i]_t_" . . . "nge_ ⇌ c_um / [-spread -lat]*[b-d-f-m-n-p-r-s-t-z][a-e-i]_t_" . .