Related Clues:

• Conversational filler
• 'So that's it'
• 'Agreed'
•     'You betcha'
• One third of a Fab Four refrain
• ''She Loves You'' word
• 'You got it!'
• 'Aha'
• 'O-o-oh'
• Therapist's reply
• "Of course"
• Start of a crystal gazer's statement
• 10-4
• "Ah"
• 'Got it now'