Possible Clues:

• Deferential affirmative
• Polite contraction
• Polite, old-fashioned assent
• ''Andy Griffith Show'' acknowledgment
• Polite oater response
• Polite affirmative, in the South
• Polite country affirmative
• Quaint response of agreement
• 'OK, mom; I'll never do it again, mom'
• Courteous contraction