Write the plural form of the words

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Across
  1. 4. ponny
  2. 5. baby
  3. 7. dish
  4. 9. tomato
  5. 10. tooth
  6. 11. bus
  7. 12. tray
Down
  1. 1. fox
  2. 2. chair
  3. 3. pencil
  4. 6. mouse
  5. 8. garden
  6. 11. beach