Related Clues:

• "Filthy" money
• Stress result, perhaps
• Pelf, pejoratively
• Possible source of abdominal pain
• ''Filthy'' dough
• Peptic disorder
• See 66-Down
• Cause of aggravation
• Stomach complaint
• Worrier's ailment, perhaps
• Painful hole
• Filthy money?
• Duodenal woe
• Filthy dough
• Bad gut feeling