[OD] - S [Ys] S [OD] s [PS] - s [YP] s S P s-[PD]-[sH]-[Sg]- [sD]--[PD]-- [Os]-d-[oD]-[ig]- [oD]-[Od] s P-[Ys]- [oP]-D-i-d Y [YD]---- [DH] - h [Sg] h [sH] g [Sh] - g [sf] g h f [Pg]-s-[Os] P [Ps] d [oD]--[YD]-O- O-o-O-P- O-Y-[YD]-s- s-P-s-S- s-Y-[PD]-s- S-[Os]-[PD]-[Og]- [oh] H h g [OD]-S- [sD]-H-P-h O [OH]