Answer:
What has two legs but doesn't walk?
What's as small as a mouse but guards a house like a lion?
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
What surrounds the world, yet dwells within a thimble?
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?