Related Clues:

• 'Eh?'
• 'Huh?'
• Former NHL rival
• Houston Aeros' org.
• ''Huh?''
• "Huh?"
• '___ hoppen?!'
• "___ hoppen?"
• 'Huh ...?!'
• "Huh!?"
• 'Hunh?'
• "__ hoppen?"
• 'Huh??'
• Astonished query
• ''__ hoppen?'' (dazed one's query)