sī ⇌ turum / [-spread]*[+son][b-c-d-g-k-l-m-n-p-q-r-s-t-z]_

http://lila-erc.eu/data/lexicalResources/prinparlat/id/pattern_876 <http://lila-erc.eu/ontologies/prinparlat/Pattern>

sī ⇌ turum / [-spread]*[+son][b-c-d-g-k-l-m-n-p-q-r-s-t-z]_ 
sī ⇌ turum / [-spread]*[+son][b-c-d-g-k-l-m-n-p-q-r-s-t-z]_ 

data from the linked data cloud