AI and IR words

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Across
  1. 1. Steady
  2. 4. An engine and coaches
  3. 5. A tree
  4. 6. Robins, sparrows and seagulls
  5. 10. It comes before second
  6. 12. Fishermen put it on hooks
  7. 13. Boats have them on masts
Down
  1. 2. A kind of corn
  2. 3. You hit it with a hammer
  3. 4. Comes after twenty nine
  4. 6. If you knock these off the stumps it's out at cricket
  5. 7. You wear it
  6. 8. Not clean
  7. 9. Boys and .....
  8. 11. A pig has a curly one