On-air challenge: You will be given two words starting with the letter P. Name a third word starting with P that can follow the first one and precede the second one, in each case to complete a familiar two-word phrase. For example, given "peer" and "point," you would say "pressure," as in "peer pressure" and "pressure point."
Last week's challenge from listener Brian Greer of Portland, Ore.: Name two parts of the human body, 10 letters in all. Place their names one after the other. Take a block of three consecutive letters out of the second word and insert them somewhere inside the first word without otherwise changing the order of any of the letters. The result will name a kind of doctor. What kind of doctor is it?
Winner: Ron Hamburger of Key West, Fla.
Next week's challenge: Eight people are seated at a circular table. Each person gets up and sits down again — either in the same chair or in the chair immediately to the left or right of the one they were in. How many different ways can the eight people be reseated?
If you know the answer to next week's challenge, submit it here. Listeners who submit correct answers win a chance to play the on-air puzzle. Important: Include a phone number where we can reach you Thursday at 3 p.m. Eastern.