Answer:
I know a word of letters three, add two and less there will be.
What hangs in the sky by day but at night goes away?
Doing this with your job can be risky but doing it with smoking is always a good idea
The main difference between us and zombies
What devours all and can kill a king. Destroy a town and crushes mountains down?
What never gets any wetter no matter how hard it rains?