Happy Christmas

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Across
  1. 2. Not an Indefinite article
  2. 3. if you add a "w" it makes a number
  3. 4. Not old
  4. 6. Less than Two
  5. 8. Leap ________
  6. 9. Dublin band that lost guitarist this year
  7. 10. Underwater Craft
Down
  1. 1. a tiny particle too short to remove creases
  2. 2. Square in New York City
  3. 5. Several of these make a sentence
  4. 7. Christian Symbol
  5. 8. Home of the Duke with 10,000 men