"ī_ī ⇌ itu_um / [-spread -labdent]*[e-m-n-o-r-ē-ō][b-c-d-g-k-l-p-q-r-s-t-z]_r_" . . . "ī_ī ⇌ itu_um / [-spread -labdent]*[e-m-n-o-r-ē-ō][b-c-d-g-k-l-p-q-r-s-t-z]_r_" . .