I didn’t say every letter combination. I said the ones you need. Letter combos that do not connect to each other aren’t needed. Still though, you’re right that machine learning is needed… the good news is it’s already been done before, and the code is open source. StuffMadeHere on youtube already built a fully functional prototype that impressed if maybe didn’t fool forgery experts. youtu.be/cQO2XTP7QDw