Escriu el diftong que cal

q ____________________ tre , est ____________________ , c ____________________ ner , pal ____________________ , lleng ____________________ ta , c ____________________ sa , v ____________________ re , ung ____________________ nt , desm ____________________ , b ____________________ re , b ____________________ ra , ping ____________________ , r ____________________ na , ____________________ tomàtic , escl ____________________ , comb ____________________ , efect ____________________ , obliq ____________________ tat , dij ____________________ s , q ____________________ stionari .