COINCIDENCE?

Sometimes you just stumble across interesting facts by accident.  Take a look at this list and see if you notice something strange.  Is it all a coincidence?

Largest cities within a state:

In Ohio:  Columbus, Cleveland and Cincinnati
In Kentucky:  Louisville and Lexington
In Pennsylvania:  Philadelphia and Pittsburgh
In Tennessee:  Nashville and Noxville
In Wisconsin:  Milwaukee and Madison

Did you notice how the first letters of these cities are all the same within a state?  What do you think this means?
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