so no α x ω (unless vers), no "bottom" beta switching to omega, no "beta with omega traits", and no enigma.
β x ω, male ω (top)
x female α (bot) won't be added unless they are not extremely heteronormative, otherwise it'll be too similar to male x female trans-ver. stories.
"Handsome top-like" ω x "Pretty bottom-like" α will follow the same reason, and probably added in this list of unusual tropes instead if not typical