Related Clues:

• One partner
• Less than rarely
• From way back when
• Fairy-tale start
• One and __
• Head of a tale
• "Just this ---"
• My one companion?
• Less than twice
• ''If __ I had known''
• ''___ upon a time ...''
• Roy Orbison's '___ the Lonely'
• It's enough, it's said
• Hardly at all
• Reminiscer's word