Related Clues:

• Pup's cry of pain
• Canine's cry
• Fox-hunt cry
• Sound from a woofer?
• Kennel squeal
• Dog's sound
• Lab greeting
• 'Ruff!'
• Woofer's output?
• Hidden theme of the puzzle
• Response to "Speak!"
• Sandy snippet
• Remark from Rex
• Sound from a woofer
• It might mean "I'm hungry!"