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