Hugo's Light and Sound Crossword

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Across
  1. 3. Rhymes with libation
  2. 6. Not see through
  3. 8. Makes noise
  4. 9. Rhymes with light and is the opposite of Day
Down
  1. 1. See through
  2. 2. It is sort of see through
  3. 4. Pitch Black
  4. 5. Rhymes with night
  5. 7. Pitch High note