For Mother's Day, a Tribute to 'Ma' The on-air puzzle this week is in honor of Mother's Day. Given a series of words, for each one change one of the letters in the word to "ma" to spell a new word. For example, given the word "croon" you would say "maroon."

## For Mother's Day, a Tribute to 'Ma'

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For Mother's Day, a Tribute to 'Ma'

# For Mother's Day, a Tribute to 'Ma'

## For Mother's Day, a Tribute to 'Ma'

• `<iframe src="https://www.npr.org/player/embed/10156373/10156380" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">`
• Transcript

Puzzle master Will Shortz quizzes one of our listeners, and has a challenge for everyone at home.

Challenge from Last Week: Think of two countries whose names start with the same three letters. Set these names side by side, drop the first three letters from each of the names, the remaining letters, in order, will spell the name one of the longest rivers in the world. What is it?

Answer: The countries are Chile and China, and the river is the Lena.

Winner: Alisha McWilliams of Brooklyn, N.Y.

This Week's Challenge: Name certain internal parts of the human body, five letters, the word is plural. This word contains an "i." Change the "i" to an "o," spell the result backward, and you'll name another part of the body that's very near the first ones. What body parts are these?

This challenge comes from Henry Hook of from Brooklyn, N.Y.