Related Clues:

• Common request
• Envelope abbr.
• Invitation notation
• Memo starter
• Mail abbr.
• Request to a guest
• Memo letters
• Memo starter: Abbr.
• Obsolescent mail abbr.
• Abbr. on a Mayberry envelope
• Answer, in brief
• Party giver's abbr.
• Letters to answer?
• Mail letters
• Invitation letters