Answer:
Lots of them make up a word, And lots of words are in them. It's easy when you think about it. A while ago we stamped and mailed them.
The more you take, the more you leave behind. What are they?
There is a word of letters three, Add one letter to it and none there’ll be. What is the word?
Take it and you will lose or gain more than all the others.
Often found in doctor's offices and pirate flags
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?