Related Clues:

• Terrier's bark
• Bark noise
• Strip yip
• Sound from a fenced-in yard, maybe
• "Speak!" response
• Spot comment
• Spot's answer to "What's one plus one?"?
• 'Woof!'
• Animal sound
• Bark sound
• Toy sound, perhaps
• Woof kin
• 'Bowwow!'
• A word from Fido
• Shepherd's greeting