Related Clues:

• They can make a suer suffer
• Rotten grades
• This puzzle's surplus
• Bad grades
• Flunking marks
• Failing marks
• Failing grades
• Lousy grades
• Sign of poor schoolwork
• They keep you from passing
• Small apartments, in ads
• Two from fifty?
• Small apts.
• 40% of fifty?
• Letters before gees