_ ⇌ s_um / [b-d-e-m-n-p-s-t-z-ē]*[b-d-e-i-m-n-r-y-z-ē-ī]?[-long]_s_
http://lila-erc.eu/data/lexicalResources/prinparlat/id/pattern_1225 <http://lila-erc.eu/ontologies/prinparlat/Pattern>
_ ⇌ s_um / [b-d-e-m-n-p-s-t-z-ē]*[b-d-e-i-m-n-r-y-z-ē-ī]?[-long]_s_
_ ⇌ s_um / [b-d-e-m-n-p-s-t-z-ē]*[b-d-e-i-m-n-r-y-z-ē-ī]?[-long]_s_