Theoretically the ones outlined on the table, but realistically the balance of the ones you have the aptitude to succeed in (natural ability, interest OR the base ability to work at it hard enough for a good score) offset by the scaling difference between these subjects for you.
Mx2 is the best scaling course accessible to most students.
followed by mx1, ee1/2, chem, eco, phys and 2u not necessarily in that order (they all scale amazingly)
Mx1 and 2, eco, chem, phys, latin, advance English, chemistry. Some languages have insane scaling and I've heard the aligning and scaling for advance English topped economics somewhere...
Economics scales really we'll for humanities subjects !!! But if ur not good at it or not interested don't pick the subject, it won't do u any good at all!!!