c-- ccc ccd cch ccr ccu cdc cdd cdh cdr cdu ch- chc chd chh chr chu crc crd crh crr cru cuc cud cuh cur cuu dcc dcd dcr dcu ddc ddd ddh ddr ddu dh- dhc dhd dhh dhr dhu drc drd drr dru duc dud duh dur hcc hcd hch hcr hdc hdd hdh hdr hdu hhc hhd hhh hhr hhu hr- hrc hrd hrh hrr hru huc hud huh hur huu rcc rcd rch rcr rcu rdc rdd rdh rdr rdu rh- rhc rhd rhh rhr rhu rrc rrd rrh rrr rru ruc rud ruh rur ruu ucc ucd uch ucr ucu udc udd udr udu uhc uhd uhh uhr uhu ur- urc urd urr uru uuc uur uuu