SOLUTION: What word has 30 unique permutations of letters?

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Question 1177693: What word has 30 unique permutations of letters?
Answer by ikleyn(52884) About Me  (Show Source):
You can put this solution on YOUR website!
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For example,  30 = 120%2F4 = 5%21%2F%282%21%2A2%21%29.


So, we should have a word of 5 letters with one letter repeated twice and other letter repeat twice.


For example, AABBC  (the simplest example, which first came to the mind).

Solved, answered and explained.