-ol c-- ccc ccd ccl cco ccs ccu cdc cdd cdl cdo cds cdu cl- clc cld cll clo cls clu co- coc cod col coo cos cou csc csd csl cso css csu cuc cud cul cuo cus cuu dcc dcd dcl dco dcs dcu ddc ddd ddl ddo dds ddu dl- dlc dld dll dlo dls dlu doc dod dol doo dos dou dsc dsd dsl dso dss dsu duc dud dul duo dus lcc lcd lcl lco lcs lcu ldc ldd ldl ldo lds ldu llc lld lll llo lls llu loc lod lol loo los lou lsc lsd lsl lso lss lsu luc lud lul luo lus luu oc- occ ocd ocl oco ocs ocu odc odd odl odo ods odu olc old oll olo ols olu oo- ooc ood ool ooo oos os- osc osd osl oso oss osu ou- ouc oud oul ouo ous scc scd scl sco scs scu sdc sdd sdl sdo sds sdu slc sld sll slo sls slu soc sod sol soo sos sou ss- ssc ssd ssl sso sss ssu suc sud sul suo sus suu ucc ucd ucl uco ucs ucu udc udd udl udo uds udu ulc uld ull ulo uls ulu uoc uod uol uoo uos usc usd usl uso uss usu uuc uus uuu