c-- ccc cch cck cco ccr ccs ccu ch- chc chh chk cho chr chs chu ckc ckh cko cks co- coc coh cok coo cor cos cou crc crh crk cro crr crs cru csc csh csk cso csr css csu cuc cuh cuk cuo cur cus cuu hcc hch hck hco hcr hcs hhc hhh hhk hho hhr hhs hhu hkh hkk hko hkr hks hku hoc hoh hok hoo hor hos hou hr- hrc hrh hrk hro hrr hrs hru hsc hsh hsk hsr hss hsu huc huh huk huo hur hus huu kcc kch kck kcr kcs kcu khh khk kho khr khs khu kkc kkh kkk kkr kks kku koc koh kok koo kor kos kou krc krk kro krr krs kru ksc ksh ksk kso ksr kss ksu kuc kuh kuk kur kus kuu oc- occ och ock oco ocr ocs ocu ohc ohh oho ohr ohs ohu okc okk oko okr oks oku oo- ooc ooh ook ooo oor oos or- orc orh ork oro orr ors oru os- osc osh osk oso osr oss osu ou- ouc ouh ouk ouo our ous rcc rch rco rcr rcs rcu rh- rhc rhh rho rhr rhs rhu rkc rkk rko rks rku roc roh rok roo ror ros rou rrc rrh rrk rrr rrs rru rsc rsh rsk rso rsr rss rsu ruc ruh ruk ruo rur rus ruu scc sch sck sco scr scs scu sh- shc shh shk sho shr shs shu sk- skc skh skk sko skr sks sku soc soh sok soo sor sos sou sr- src srh srk sro srr srs ss- ssc ssh ssk sso ssr sss ssu suc suh suk suo sur sus suu ucc uch uck uco ucr ucs ucu uhc uhh uho uhr uhs uhu ukc ukk ukr uku uoc uok uoo uor uos ur- urc urk uro urr urs uru usc ush usk uso usr uss usu uuc uur uus uuu