Long O Sound

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Across
  1. 3. a human-like machine
  2. 5. the opposite of close
  3. 6. goods carried on a ship
  4. 8. fermented milk
Down
  1. 1. a musical instrument with keyboard
  2. 2. walk casually
  3. 4. a musical instrument that looks like a round guitar
  4. 7. before