Add randomized elements to StringArray in BP

Contrary to the boxes to define what’s in the String Array, is there a way to auto-generate single elements with a random string out of an alphabet so there can be infinite combinations (and not only those 52 written in the forms)?

(I have no idea - second picture is from playing around)

284302-nope.png

Here’s at a nice solution to obtain a random string:

https://forums.unrealengine.com/development-discussion/blueprint-visual-scripting/10178-how-would-i-go-about-making-a-random-string