Yes, your even tin particular has several challenges and race simulation/brick workouts are even more important. As a total guess, the priority of brick workouts to me would be your:
run to swim
kayak to run
prone to run
swim to prone (this one may not need any brick workouts, it’s a pretty easy transition)
Normally, with a triathlon you’d perform one long brick once a week. For you, I think 2x a week for 6 weeks, rotating between 2 of the first 3 priorities. Maybe all 3 every week? Not sure, but at least 2 of the 3.
David