e_ ⇌ _ium / [-spread -low]*[a-e-i-m-n-o-r-u-y-ā-ē-ī-ō-ū][b-d-p-t]_r_
http://lila-erc.eu/data/lexicalResources/prinparlat/id/pattern_1244 <http://lila-erc.eu/ontologies/prinparlat/Pattern>
e_ ⇌ _ium / [-spread -low]*[a-e-i-m-n-o-r-u-y-ā-ē-ī-ō-ū][b-d-p-t]_r_
e_ ⇌ _ium / [-spread -low]*[a-e-i-m-n-o-r-u-y-ā-ē-ī-ō-ū][b-d-p-t]_r_