onomatopoeia crossword

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Across
  1. 2. ? as a pack of hyenas
  2. 5. the ? of computers
  3. 6. the ? of a pig
  4. 8. the ? of a rifle
  5. 9. the ? of a train
  6. 10. the ? of tires
  7. 12. the ? of machinery
  8. 14. the ? of a roof
  9. 15. the ? of a cat
  10. 16. the ? of cars
Down
  1. 1. the ? of the boy
  2. 3. the ? of wires
  3. 4. the ? of waves
  4. 6. the ? smash of glass
  5. 7. the ? of a pail
  6. 11. the ? of the rain
  7. 13. the ? of thunder
  8. 14. the ? of a fart
  9. 16. the ? of phones
  10. 17. the ? of a balloon