Related Clues:

• Opening letters
• So-so marks
• Comic boundaries?
• Comedic duo?
• CCC
• More than a quarter of academic circles?
• Alphabetic front four
• Shapes of some clamps
• Run before E
• Preschool song opener
• Bee chasers?
• Cataclysmic endings?
• Broccoli bits?
• Set of choices, often
• ''. . . Millionaire'' choices