What two letters can spell the word candy?

Question

By picking the right letter for each line, you can spell out a word of five letters. What is it?

My first is in FISH but not in SNAIL.
My second is in RABBIT but not in KALE.
My third is in UP but not in DOWN.
My fourth is in TIARA but not in CROWN.
My fifth is in TREE you'll plainly SEE.
The whole is a food for you and me.

Answer 1

C(AND)Y, two letters!!

Answer 2

Answer:
C and Y are the two letters that can spell the word candy..