Related Clues:

• Ones who may have issues over issues
• They're no longer together
• Half of all tic-tac-toe players
• Former pairs
• Illiterates' marks
• Sweethearts, once
• Group for Liz Taylor
• Past flames
• Ones who may not be on speaking terms
• Formers
• Correspondent's kisses
• Ballot marks
• Crosses (out)
• Scoresheet marks
• Generic signatures