Yes, 2RARE4U has always been one of my very most favorite's that I created many years ago in my head. Since vanity plates are all in "caps", it's always best to type them out in "caps" to see what they might look like on an actual license plate and to see if they remain still readable. Thus, your Wifey's choice of "RARESQR" is somewhat confusing to decipher because all of the letters just mush together in one big blob......heck, it could mean RARES.....QR if people are trying to read it. People won't know where the gap-point is to make any sense of it.
The gap-points in 2RARE4U are where the number's transition back to letter's and vice-versa, making it really easy to understand and read. "ROXBOX" should be seperated with either a blank space "ROX BOX" or use a hyphen/dash; thus, "ROX-BOX".
If your Wifey is so caught up in the mathimatical square box theme, then perhaps try "2ND PWR" (w/o hyphen), or "CUBED" or "CUBICLE".
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