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.
What has a hundred limbs, sometimes leaves, but cannot walk?
What's always coming, but never arrives?
It is something you make after you've weighed your options.
I am the red tongue of the earth, that buries cities.
Cycle Cycle Cycle.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?