And "B" plus "p" makes a passable ß (well, in a different font).
By the way, with regard to other comments here about diehard users, I never had more than a passing relationship with WordPerfect 5.1, but I've heard of people who stayed with it for years and years (and years). For them, it was and remained the perfect writing tool.
And the manual systems on the BSDs and on Linux operating systems still use TeleType Model 37 overstriking semantics for boldface and underlining, even though (for starters) GNU grotty has been capable of the more modern (from 1976!) system of specifying character attributes on terminals for decades.