/s/ and vocalic /r/

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Across
  1. 3. The grade before second.
  2. 4. The day after Friday.
  3. 6. The Christmas month.
  4. 8. Used for cutting.
  5. 10. A waiter or waitress
  6. 13. To look for something.
  7. 14. Makes mistakes disappear.
  8. 17. The warmest season.
  9. 18. A ball game you play with no hands.
  10. 19. This type of puzzle.
Down
  1. 1. A flying hero with a cape.
  2. 2. Breakfast of champions.
  3. 3. You have 10 of them.
  4. 4. Basketball, hockey, football, tennis.
  5. 5. Animals you can ride.
  6. 7. An apology.
  7. 9. A large yellow flower with delicious seeds.
  8. 11. The bunny holiday.
  9. 12. Where Santa lands.
  10. 15. Not a brother.
  11. 16. A long orange vegetable.