"iet ⇌ ī / [-spread -lat]*[e-i-l-o-r-u-y-ē-ī-ō-ū][-spread -labdent -low]_" . . . "iet ⇌ ī / [-spread -lat]*[e-i-l-o-r-u-y-ē-ī-ō-ū][-spread -labdent -low]_" . .