Possible Clues:

• 'May ___ of service?'
• 'May ___ excused?'
• "How can ___ sure?"
• "How Can --- Sure"
• 'How can ___ sure?'
• Chicago "What Kind of Man Would ___?"
• "May __ excused?"
• The Everlys' 'When Will ___ Loved'
• 'Can ___ dreaming?'
• 'How Can -- Sure?'