Strange, the S and Z look better as the opposite of the shapes I expected them to be. 15 letters are basic shapes, 3 letters are 1x2 constructs, 6 letters are 2x2 constructs, and 2 letters are 3x3 constructs.
See more:
https://fontstruct.com/fontstructions/show/414950/fs_xo
This is a clone of Singularity