I would like to make a directory/reference site that lists websites people can go to but I don't know how to make a page that sorts EX. Click A and it will display all the page titles that start with a (it is referencing towns so it would be by town names). For an example on what I mean visit: http://www.mma.org/city-and-town-web-sites
In order to do this, is it a code or theme/plugin I need (preferably cheap or free if so). PS. I am not good at coding.