I saw something the other day and it made me think of you. It's called ding bats and it's a form of visual riddle that I thought your might find interesting. It's hard to describe but if you search it up on Google images or Comes up with loads.
Here's an example;
Control
I'm
Would be I'm under control, but you can see how the puzzle kinda plays with word meanings and placements. Thought you might find this interesting.