Suited Connector Odds

[DoctorWard]

Aaron, thanks for your help however, I am short a couple of scenarios.

19,600 possible flops with any suited connector.

For 4-5 suited through J-10 suited:
252 combinations give you a straight and only a straight.
161 combinations give you a flush and only a flush.
4 combinations give you a straight flush.

For 3-4 suited and Q-J suited:
189 combinations give you a straight and only a straight.
162 combinations give you a flush and only a flush.
3 combinations give you a straight flush.

For 2-3 suited and K-Q suited:
126 combinations give you a straight and only a straight.
163 combinations give you a flush and only a flush.
2 combinations give you a straight flush.

For A-2 suited and A-K suited:
63 combinations give you a straight and only a straight.
164 combinations give you a flush and only a flush.
1 combination gives you a straight flush.

So as your workings would agree we get to a weighted probability of 1.8308% or 1 in 54.62 of completing a straight, a flush or straight flush.

However, I don't know how to work in the straight draw (open end or inside), 4-to-a-flush draw and straight flush draw. Thoughts?

It seems to get much more complicated!