Related Clues:

• Reply to a pen pal?
• Pen word
• Pen parlance
• Piglet's comment
• "Sooey!" response
• Sty his
• Sound from Old McDonald's farm
• Pen chants
• Pig's comment
• Babe's cry
• Response to 'Sooey!'
• Barnyard plaint
• Swinish sounds
• Hog sound
• Swinish sound