6-8--6-8-- 6-8--6- 8--6-8-- 6-8--6-8-- 6-8--p- 6-[8a]-s-[6a]-[8p]-- [6a]-[8s]-d-[6f]- 8-G-[6f]-[8d]-f- 6 G [8f]-d-[6s]-[8p]-- [6a]-[8s]-a-[6p]- 8-a-[6s]-[8d]-f- 6-[8d]-s-[6a]-[8p]-- [6p]-[8p]-p-[6p]- 8-p-[6p]-[8p]-p- 6-8--6-8-- 6-8--6- 8--6-8-- [7a]-9-S-[7d]-[9S]- a-7-[9S]-d-[7f]- [9G]--[7H]-[9G]-f- [7G]-9 H G-[7f]-[9d]- a-7-[9S]-d-[7S]- [9a]--[7S]-[9d]-f- [7G]-9-f-[7d]-[9S]- a-7-[9a]-a-[7a]- [9a]--[7a]-[9a]-a- [7a]-9--7-9-- 7-9--7- 9-- 7- 9