Riddle #2858

Question: Flies hate us with a passion, who are we?

Question: What can be broken but never forgotten?

Question: Where do all the letters sleep?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

Question: What tastes better than it smells?

Question: What two things can you never eat for breakfast?