Answer:
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
If two is company and three is a crowd, what is four and five?
I am always around you but often forgotten. I am pure and clean most of the time, but occasionally rotten. What am I?
Without me everyone would lose their head. What am I?
We are little airy creatures all of different voice and features one of us in glass is set. One of us you'll find in jet. Another you may see in tin. And the fourth a box within. If the fifth you should pursue it can never fly from you.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?