-ol c-- ccc ccd cck ccl cco ccs ccu cdc cdd cdk cdl cdo cds cdu ckc ckd cko cks cl- clc cld clk cll clo cls clu co- coc cod cok col coo cos cou csc csd csk csl cso css csu cuc cud cuk cul cuo cus cuu dcc dcd dck dcl dco dcs dcu ddc ddd ddk ddl ddo dds ddu dkc dkk dkl dko dks dku dl- dlc dld dlk dll dlo dls dlu doc dod dok dol doo dos dou dsc dsd dsk dsl dso dss dsu duc dud duk dul duo dus kcc kcd kck kcl kcs kcu kdc kdk kdl kdo kds kdu kkc kkk kkl kks kku kl- klc kld klo kls klu koc kod kok kol koo kos kou ksc ksd ksk ksl kso kss ksu kuc kud kuk kul kus kuu lcc lcd lck lcl lco lcs lcu ldc ldd ldk ldl ldo lds ldu lkl lks llc lld llk lll llo lls llu loc lod lok lol loo los lou lsc lsd lsk lsl lso lss lsu luc lud luk lul luo lus luu oc- occ ocd ock ocl oco ocs ocu odc odd odl odo ods odu okc okd okk okl oko oks oku olc old olk oll olo ols olu oo- ooc ood ook ool ooo oos os- osc osd osk osl oso oss osu ou- ouc oud ouk oul ouo ous scc scd sck scl sco scs scu sdc sdd sdk sdl sdo sds sdu sk- skc skd skk skl sko sks sku slc sld slk sll slo sls slu soc sod sok sol soo sos sou ss- ssc ssd ssk ssl sso sss ssu suc sud suk sul suo sus suu ucc ucd uck ucl uco ucs ucu udc udd udk udl udo uds udu ukc ukk ukl uku ulc uld ulk ull ulo uls ulu uoc uod uok uol uoo uos usc usd usk usl uso uss usu uuc uus uuu