Answer:
What word is that, which, deprived of its first letter, leaves you sick?
What doesn't exist, but has a name?
What do you say to a giant with his head in the clouds?
It increases and decreases yet no one see it. It is not a fire and yet it can be quenched.
What word is spelled wrongly in the dictionary?
What starts with a 'P', ends with an 'E' and has thousands of letters?