Some books where I found the following: Smart Brain, from the titles of two by David McRaney, Smartest Bethany and Superb Brilliant. The last two words reminded me, a bit, of catch phrases from Reggie Perrin. I didn’t get where I am today ignoring the minor detail. Well, that’s not true but so be it.
In the early nineties, Herb Miller led a product development project code named Silver Bullet. The team started collecting pairs of words where the first started with an S and the second with a B. This website is the continuation of that part of the project. Nowadays other projects display alternatives to their official acronyms on their websites.