Related Clues:

• Some needlework: Abbr.
• FDR and JFK
• JFK or LBJ
• Serious dating, in personal ads
• Some O.K.'s, for short
• A, B and C: Abbr.
• Items in a P.O. box
• Alphabet components: Abbr.
• USPS items
• P.O. box filler
• Monogram ltrs.
• Approval indicator: Abbr.
• They stand for something: Abbr.
• Posts: Abbr.
• P.O. pieces