c-- ccc ccd cch ccn ccu cdc cdd cdh cdn cdu ch- chc chd chh chn chu cn- cnc cnd cnh cnn cnu cuc cud cuh cun cuu dcc dcd dcn dcu ddc ddd ddh ddn ddu dh- dhc dhd dhh dhu dnc dnd dnh dnn duc dud duh dun hcc hcd hch hcn hdc hdd hdh hdn hdu hhc hhd hhh hhn hhu hnc hnd hnh hnn hnu huc hud huh hun huu ncc ncd nch ncn ncu ndc ndd ndh ndn ndu nhc nhd nhh nhn nhu nnc nnh nnn nnu nuc nud nuh nun nuu ucc ucd uch ucn ucu udc udd udn udu uhc uhd uhh uhu un- unc und unh unn unu uuc uun uuu