Related Clues:

• 'Interesting'
• Hesitation sound
• 'Wait, it'll come to me ...'
• Sound of hesitation
• 'Well, let me think ...'
• "Very interesting ..."
• 'Well, let me see …'
• 'Er-r …'
• 'That's curious …'
• 'Let me think about that …'
• 'I wonder ...'
• "Let me think ..."
• 'Well, let me think …'
• 'Interesting …'
• ''I'm thinking ...''