Isogram Challenge

This game is ugly, I admit it.  It was my first creation in C, what can I say? Well, put simply, this is a game with a healthy dictionary of isograms (words that don't have any duplicate letters). It's based on coursework by Ben Tristem in the Unreal Developer course on Udemy.  The computer selects a word suitable for your level and difficulty settings and to start only tells you how many letters …