On starting this, I thought, "No problem. I learned Greek in University. I'll just move this visual over to Greek." Wrong! I've really forgotten a lot. So, if you have a need for this visual, feel free to use it. If you need it expaned in any way, let me know, but be prepared to help out with the Greek.
Greeek Present Active Verb Endings Illustrated.
Base - print, mount on board, and cut out the holes
Grapho - print and place behind the base