Crossword except every word starts with D

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Across
  1. 3. Before sunrise
  2. 4. One who heals
  3. 5. Like a teacher who is prone to lecturing
  4. 6. Fathers
  5. 8. Round pastry with a hole in the middle
  6. 9. The "D" in FDR
  7. 10. "Nuh uh"
  8. 11. Iconic pair
Down
  1. 1. Sweet treats
  2. 2. Insane
  3. 3. Like Sherlock Holmes
  4. 4. Small country on the East coast of Africa
  5. 6. An indoor tree during winter, e.g.
  6. 7. Postpone
  7. 10. Without light