Your username is the prompt, what did you get? This is mine:

In the spirit of scientific discovery, given that someone asked above about whether adding spaces to usernames should be permitted and I'm curious as to whether they matter:

investors exchange

Steps: 20, Sampler: Euler a, CFG scale: 7, Seed: 0, Size: 1024x1024, Model hash: ebf42d1fae, Model: realmixXL_v15, Token merging ratio: 0.5, Version: v1.5.1

investor sex change

Steps: 20, Sampler: Euler a, CFG scale: 7, Seed: 0, Size: 1024x1024, Model hash: ebf42d1fae, Model: realmixXL_v15, Token merging ratio: 0.5, Version: v1.5.1

That does seem to suggest that they matter, at least if tokens can be found, even if Stable Diffusion does seem to fail remarkably gracefully with tokens mushed together into one nonexistent word.