[e-o-ē-ō]_ ⇌ [i-u-ī-ū]_is / X*[-spread -nas -labdent][-spread -labdent -low]_[n-r]_
http://lila-erc.eu/data/lexicalResources/prinparlat/id/pattern_948 <http://lila-erc.eu/ontologies/prinparlat/Pattern>
[e-o-ē-ō]_ ⇌ [i-u-ī-ū]_is / X*[-spread -nas -labdent][-spread -labdent -low]_[n-r]_
[e-o-ē-ō]_ ⇌ [i-u-ī-ū]_is / X*[-spread -nas -labdent][-spread -labdent -low]_[n-r]_