Possible Clues:

• 'It's a yes-___ answer ...'
• "Yes __?"
• Little ___ (hardly any)
• ''Yes __?''
• "Yes ___?"
• Yes ___ (choice words)
• Yes ___ ___ (one of two answers)
• ''Yes ___?''
• "A simple yes __ will do"
• TV's 'Deal ___ Deal'