Related Clues:

• Potent drug
• Tranquilizer
• Lethargy inducer
• It may be used for many unhappy returns: Abbr.
• Sedative drug
• Endorphin, e.g.
• Ed.'s request, often
• RSVP card enclosure
• Drug that dulls the brain
• Drug from poppies
• Submission encl.
• Encl. with an RSVP
• Poppy derivative
• Postage-paid enc.
• R.S.V.P. enclosure