Christmas puzzle

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Across
  1. 2. santa's little helpers
  2. 5. comes from heaven
  3. 6. joy
  4. 9. watches the sheep
  5. 11. you can decorate him
  6. 13. happiness
  7. 14. Santa goes down it
  8. 15. a holiday
  9. 16. lives in the north pole
  10. 17. decorates it with ornaments
  11. 18. Jesus's mother
Down
  1. 1. on Christmas you get to open it
  2. 3. your mom and dad
  3. 4. Santa eats them
  4. 7. Christmas is his birthday
  5. 8. made of snow
  6. 10. a month
  7. 12. falls from the sky
  8. 15. cane
  9. 18. goes well with cookies