Answer:
What is the middle of water but is not an island?
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 fastens two people yet touches only one?
Not a comb or a brush but makes the hair feel plush. What is it?
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.