regular and irregular plural nouns

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Across
  1. 2. mouse
  2. 3. half
  3. 6. man
  4. 8. ox
  5. 9. potato
  6. 10. family
  7. 11. box
Down
  1. 1. tooth
  2. 4. sheep
  3. 5. woman
  4. 7. leaf
  5. 10. foot