Related Clues:

• ''Aha!''
• 'Now it's clear'
• ''Yes, that's clear''
• 'Obviously!'
• "___ dead people"
• 'Oh, right'
• ''How silly of me!''
• Nodder's phrase
• "Oh"
• 'Well, obviously!'
• ''Got it!''
• Exclamation after an explanation
• 'O-o-oh!'
• "Oh, okay"
• ''Uh-huh''