I've done some research on combinations and permuations in perl, and after a bit of hunting, I found:

Math::Combinatorics

This should do exactly what you want. I must say however, that I've never used it, so I don't know about it's relative speed and so on.
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My mission: To boldy split infinitives that have never been split before!

In reply to Why reinvent the wheel? by DentArthurDent
in thread A bad shuffle by tlm

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