It would be total number of combinations with no restrictions minus the number of combinations that have 2 of the same letter next to each other, but I can't think of a way to account for something like FF5EE -_-
Welcome to Smashboards, the world's largest Super Smash Brothers community! Over 250,000 Smash Bros. fans from around the world have come to discuss these great games in over 19 million posts!
You are currently viewing our boards as a visitor. Click here to sign up right now and start on your path in the Smash community!