Here's silliness for you then...
When I was 15 or 16 I read the book The Big Show by Pierre Closterman DFC etc. etc. etc.who flew Spitfires and Typhoons in WWII.
One of his pre-takeoff checks was BTFCPPUR. I think it was:-
Brakes, Trim, Flaps, C*, Pressure, Pneumatics, Undercarriage, Rudder...
But it was 40 years ago and I was only reading a book...
* Struggling on this one... Choke?