Related Clues:

• Double-digit bills
• Some bills
• Gymnastic coups
• Deck quartet
• Gymnasts rarely see them
• Ovid's X's
• Bills in tills
• Some bills in tills
• Bo's equals
• A Spanish 21 deck has none
• Change for a 20
• Bo Derek and all wives, e.g.
• Top scores, sometimes
• Perfect scores, often
• OT book