L'ús de "s" i "ss"

Expre ____________________ ió
Tre ____________________ or
E ____________________ pa ____________________ a
Pre ____________________ ó
Pa ____________________ ar
Pe ____________________ ar
Caraba ____________________ a
Ta ____________________ a
Entre ____________________ òl
Abade ____________________ a
Grandí ____________________ im
Bre ____________________ quill a