Really that's up to the organisers but as you've asked
Ryde Pier Head (RYP) to Shanklin (SHN) non-stop
SHN to Smallbrook Junction (SAB) calling all stations - unit ECS to depot
Smallbrook Junction IoWSR to Wootton non-stop (Calbourne & Freshwater - not sure if they can top-n-tail?)
Wootton to Havenstreet
Train Story & carriage restoration
Havenstreet to Ashey for 10 minute photo stop
Ashey to Smallbrook Junction IoWSR
483 arrives SAB from depot
SAB to RYP calling all stations
RYP to SHN calling all stations except SAB
SHN to RYP non-stop