Col1	Col2

Al	Ibrahim
Al	Bob
Al 	Chuck
Al 	Frank
Bob	Gary
Bob	Doug
Chuck	Doug
Chuck	Ed
Chuck	Frank
Doug	Hamza
Gary	Ibrahim
Gary	Hamza

This is the above representation of all connections/links/friendship of each friend:

                        Al--------Frank
                        /|\         |
                      /  |  \       |
                   /     |    \     |    
                /        |      \   |       
             /           |        \ |
          Ibrahim       Bob      Chuck
             \          /|       /  |	
               \       / |     /    |
                 \   /   |   /      |
                 Gary    Doug      Ed
                   \     /
                    \   /
                     \ /
                    Hamza