I can see one of the following happening

mens / ladies single hander - Laser / Finn / Laser
M/L Double hander - 49er / 29xx
M/L Board
M/L keel boat / match racing - pick any 4ksb
M/L Cats

or

mens / ladies single hander - Laser / Finn / Laser
M/L Double hander - 470
M/L Board
M/L keel boat / match racing - pick any 4ksb
M/L "High performance" - Cats or asyms; Asyms win....

or Keelboats get totally dropped (not something I see happening) and we get cats and Asym.