Possible Clues:

• ''If ___ a hammer ...''
• "If --- a nickel ..."
• "If __ a Million Dollars" (Barenaked Ladies hit)
• ''If ___ my druthers . . .''
• ''If ___ a Hammer''
• "__ no idea!"
• '-- no idea!'
• "If only __ known"
• "If only — known!"
• 'If ___ my druthers ...'