Pulling all n-sized combinations from a list

[Magnus Lycka]

mensanator at aol.com wrote:
> But it turns out he actually had one, which he graciously provided
> in response to my observation. If I had kept my trap shut, I wouldn't
> have it, would I? 

I completely agree, but you could put your "questions" in
a way that increases your chances of helpful replies...
http://www.catb.org/~esr/faqs/smart-questions.html