Overlap Units/Have Multiple Units Per Class

As an example, we teach multiple SEL curricula all year. We teach one most days, but once a week teach another, and every few weeks teach another. They all have their own scope and sequence. In unit planning, we would like to see that for September and October, we are in Unit A/Unit 1/Unit alpha in the different curricula. Ideally, we would have 3 stacked curricula across the school year.