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If we are looking at unique permutations, there would be half as many as there are stated above, as there are two o's in the word. So, in reality, there are only 12 permutations:

  • hook
  • hoko
  • hkoo
  • ohok
  • ohko
  • okho
  • oohk
  • ookh
  • okoh
  • khoo
  • koho
  • kooh
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14y ago

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