J-Word Play #16

This one is pretty good, but I found it a little difficult. So I've included an optional hint. Here's our riddle, anyway:

たぬきの宝箱には何が入っている？

Hint: Don't think of the animal - think of the word.

(Edit: Oops, forgot to disallow comments. Sorry for the delete, Rene, but you'll get a kudos when I post the answers! Send your answers to blueshoe [at] jadij.com)

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