Left/right, port/starboard, red/green, … no problem!
However, I’ve discovered that—at the drop of a hat—my lowercase, printed b and d … for some reason, I have to really think about it. Ask me to lowercase-print brotherhood, bomb, dowry, down, dobson, diffidant … no problem. But when I try to write random strings of characters, like at the top of a slip going into the Slipbox—e.g., “4c1de”, that fourth character? I meant the other one.
I’m not trying to make light of dyslexia. Rather I’m simply pointing out that, once again!, fiddling with this Slipbox has taught me something that was hidden in plain sight.