So you mean like
/ac windbite
/wait 3
/ac straight shot

or
/ac wind bite
/ac SS
?

Not sure if that's very effective.. there's no way to make sure SS will only go off on auto crit, so straight shot could be a waste.

I have wind bite/venomous bite in single macro with wait 3 in between. If BL becomes available (with wind bite or just by normal 15sec cooldown), it'll simply gets activated when i use HS or SS anyway. There's no need to pair DoT skill with SS or HS.