It's so easy to make up your own briefs. If there's not a conflict, then go for it. Make it fun and easy to use and remember. Here are a few more of mine that I use frequently:
Since San Francisco is STPREUS, I simply add an asterisk for the City and County of San Francisco.
STPR*EUS It's so simple and super easy to remember.
I recently had a job where they frequently said, Super Bread. So I took the word super which is SPR and then I added a final B for SPR-B. Very easy to remember and saved me tons of strokes!