c-- ccc cch cck cco ccu ccv ch- chc chh chk cho chu chv chy ckc ckh cko cky co- coc coh cok coo cou cov coy cuc cuh cuk cuo cuu cuv cuy cvc cvh cvk cvo cvu cvv cyc cyk cyo hcc hch hck hco hcv hcy hhc hhh hhk hho hhu hhv hhy hkh hkk hko hku hoc hoh hok hoo hou hov hoy huc huh huk huo huu huv huy hv- hvc hvk hvo hvv hvy hy- hyc hyh hyo hyv hyy kcc kch kck kcu khh khk kho khu khv kkc kkh kkk kku kkv kky koc koh kok koo kou koy kuc kuh kuk kuu kuy kvh kvk kvo kvv kyc kyo kyu oc- occ och ock oco ocu ocv ohc ohh oho ohu okc okk oko oku oo- ooc ooh ook ooo oov ou- ouc ouh ouk ouo ov- ovc ovh ovo ovv oyo ucc uch uck uco ucu ucv uhc uhh uho uhu uhv uhy ukc ukk uku uoc uok uoo uuc uuu uvc uvo uvu uvv uyc uyo uyu vcc vch vco vcu vcy vh- vhc vho voc voh vok voo vou vov voy vuk vuv vvc vvo vvv ycc ych yco ycu ycv ycy yhc yhu ykk yoc yok yoo you yoy yuh yuk yuo yuu yuv yuy yvo yvy yyc yyu yyy