c-- ccc cch cck cco ccs ccu ccv ch- chc chh chk cho chs chu chv chy ckc ckh cko cks cky co- coc coh cok coo cos cou cov coy csc csh csk cso css csu csv csy cuc cuh cuk cuo cus cuu cuv cuy cvc cvh cvk cvo cvs cvu cvv cyc cyk cyo cys hcc hch hck hco hcs hcv hcy hhc hhh hhk hho hhs hhu hhv hhy hkh hkk hko hks hku hoc hoh hok hoo hos hou hov hoy hsc hsh hsk hss hsu hsv hsy huc huh huk huo hus huu huv huy hv- hvc hvk hvo hvs hvv hvy hy- hyc hyh hyo hys hyv hyy kcc kch kck kcs kcu khh khk kho khs khu khv kkc kkh kkk kks kku kkv kky koc koh kok koo kos kou koy ksc ksh ksk kso kss ksu ksv kuc kuh kuk kus kuu kuy kvh kvk kvo kvs kvv kyc kyo kys kyu oc- occ och ock oco ocs ocu ocv ohc ohh oho ohs ohu okc okk oko oks oku oo- ooc ooh ook ooo oos oov os- osc osh osk oso oss osu osv ou- ouc ouh ouk ouo ous ov- ovc ovh ovo ovs ovv oyo oys scc sch sck sco scs scu scv sh- shc shh shk sho shs shu shv shy sk- skc skh skk sko sks sku sky soc soh sok soo sos sou sov soy ss- ssc ssh ssk sso sss ssu ssv suc suh suk suo sus suu suv suy svc svk svo svs svu svv svy sy- syc syh syk sys syu ucc uch uck uco ucs ucu ucv uhc uhh uho uhs uhu uhv uhy ukc ukk uku uoc uok uoo uos usc ush usk uso uss usu usv uuc uus uuu uvc uvo uvs uvu uvv uyc uyo uys uyu vcc vch vco vcs vcu vcy vh- vhc vho vhs voc voh vok voo vos vou vov voy vsc vsh vsk vso vss vsu vsv vuk vus vuv vvc vvo vvs vvv ycc ych yco ycs ycu ycv ycy yhc yhs yhu ykk yoc yok yoo yos you yoy ysc ysk yso yss ysu ysy yuh yuk yuo yus yuu yuv yuy yvo yvy yyc yys yyu yyy