Data Tree urgent help!!!!!!

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Date	Tue, 19 Feb 2013 04:14:19 -0800 (PST)
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Subject	Data Tree urgent help!!!!!!
From	anadionisio257@gmail.com
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Hello! 
I have this lists with information and I need to make a "tree" by associating the information inside the lists. For example:

l1 = [apple, pear]
l2 = [dog, cat]
l3 = [fork, spoon]

And I need to make something like this:

l4 = [apple, dog, fork]
l5 = [apple, dog, spoon]
l6= [apple, cat, fork]
l7 = [apple, cat, spoon]
l8 = [pear, dog, fork]
etc...

How can I do this? I could use "for" cycles and "if...else" but with larger lists it gets complicated   

Is there some simple solution that I can use?

I hope you could help me

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Data Tree urgent help!!!!!! anadionisio257@gmail.com - 2013-02-19 04:14 -0800
  Re: Data Tree urgent help!!!!!! Peter Otten <__peter__@web.de> - 2013-02-19 13:34 +0100
    Re: Data Tree urgent help!!!!!! Ana Dionísio <anadionisio257@gmail.com> - 2013-02-19 04:50 -0800
    Re: Data Tree urgent help!!!!!! Ana Dionísio <anadionisio257@gmail.com> - 2013-02-19 04:50 -0800
    Re: Data Tree urgent help!!!!!! Leo Breebaart <leo@lspace.org> - 2013-02-20 10:18 +0000
      Re: Data Tree urgent help!!!!!! Peter Otten <__peter__@web.de> - 2013-02-20 11:46 +0100
      Re: Data Tree urgent help!!!!!! Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-20 22:01 +1100
        Re: Data Tree urgent help!!!!!! Chris Angelico <rosuav@gmail.com> - 2013-02-20 22:16 +1100
          Re: Data Tree urgent help!!!!!! Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-20 22:47 +1100

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