What are the rhythms?

Here is a diagram of the eight settings with "O" being accented:

1) 0000 (normal tremolo)

2) 0-0-

3) 0--0--

4) 0---0---

5) 0--0--0-

6) 0-0-00-0-0 (this one is in 5/4)

7) 0--0--0-0-0-

8) 0--0--0---0-0---