/tr/ and /dr/ /tr/ and /dr/ /tr/, /dr/ /tr/, /dr/ words track, drag tree, dream truck, drug try, dry sentences Her dream has come true. He knows all the tricks of the trade. He was tricked into signing the contract. After many trials and tribulations we reached our destination. There has been a marked increase in trade between the two countries. Never trouble trouble till trouble troubles you. self exercise This is my treat. Trick or treat. I treated myself to a new dress. The whole house trembled when the train went by.