Don, don't care to debate with you--just trying to help someone out--

Just use moveable Chord positions, Chico, such as the C7:

3-3-2-3-x-x-x

or G7

3-2-3-4-x-x-x--

And and any others that you might like(you only need a few--basically a major, minor, and dominant seventh that you can ride up and down the low(E-A-D-G), the middle(A-D-G-B), and the high(D-G-G-E) groups of 4 strings)--