e_e ⇌ ptu_um / [-spread -lat -labdent]*[e-i-o-u]m_r_
http://lila-erc.eu/data/lexicalResources/prinparlat/id/pattern_254 <http://lila-erc.eu/ontologies/prinparlat/Pattern>
e_e ⇌ ptu_um / [-spread -lat -labdent]*[e-i-o-u]m_r_
e_e ⇌ ptu_um / [-spread -lat -labdent]*[e-i-o-u]m_r_