Best short riddles

What does this say? Esgg sgeg gegs gsge.

They are twin sisters, same height; they work in the kitchen, arm in arm. Whatever is cooked, they always try it first.

I build bridges of silver and crowns of gold. Who am I?

If you had one match and entered a room in which there were a kerosene lamp, an oil burner, and a wood burning stove, which would you light first?

What do you call a fairy that hasn't taken a bath?

Tall I am young, short I am old. While with life I glow, wind is my foe. What am I?

I eat, I live. I breathe, I live. I drink, I die. What am I?

What did the space man say when he set foot on a giant chocolate bar?

What do you call a cat crossed with a fish?

What time of day, when written in a capital letters, is the same forwards, backwards and upside down?