Related Clues:

• "Sooey!" comeback
• Noise a pig makes
• Sounds from a piglet
• Shoat shout
• Swine sounds
• Noise from a pen unable to write?
• Sounds from sows
• Old material for writer it might make sense to hog?
• "Old MacDonald" sound
• Sounds from pigs
• Pen plea
• Sty calls
• Farmyard noise
• Utterings among pen pals?
• Old writer makes use of affirmation from The Little Pigs