sadly the only paper she owns in the death note so her letter would be like...
Dear ,
its me H, i have tried to be as evil as possible this year! I would like a 2nt death note, philosopher's stone (her 5th, the rest she made herself) a pet kishin, a zanpakto, ect.
I'm not sure about mean............you're more evil. i mean you vaporized him with your lazer eyes! lol. Hawkeye prabubly wants some of those on her christmas list!
Oops!
Oops, you forgot something.