The one I was taught in training still comes in useful, two versions a clean and a not-so-clean.
Three Mince Pies For Good Health
or:-
Three Male Prostitutes Fornicating Gents Hourly
Each initial letter covers three items
Temps
Trim
Throttle Friction
Mixture
Mags
Master switches
Pitch
Pitot
Pressures
Flaps
Fuel
Full & Free movement
Generator charging
Gyros & Gauges
Gills (or cowl flaps)
Hatches
Harnesses
Hour (note take-off time)
Mike