sdD [ws] t t tt tt t t [(D] d s [(g]-D [(d] [(s] [ws] t t tt tt y t [(D] d s [(g]-D [(d] [(s] [ws]-s-[ws]-s- [ws] [ws] W DW Dw dw d wdw [ws]-s-[ws]-s- [ws] [ws] W DW D[wd] - sdD [wh] t t tt tt t [tD] [(g] D d [(s]-d [(D] ( [wh] t t tt tt y [tD] [(g] D d [(s]-d [(D] ( [wh]-h-[wh]-h- [wg] [wg] W DW Dw dw d wdw [wh]-h-[wh]-h- [wg] [wg] W DW DW dW d WsW [wa]---- [ws]--[wa]-- [ws] - [wa] [ws]