"iet ⇌ uī / [-spread]*[-spread -labdent][a-e-i-o-r-u-y-ā-ē-ī-ō-ū][b-c-d-g-k-l-p-q-r-s-t-z]_" . . . "iet ⇌ uī / [-spread]*[-spread -labdent][a-e-i-o-r-u-y-ā-ē-ī-ō-ū][b-c-d-g-k-l-p-q-r-s-t-z]_" . .