c-- ccc cch cck cco ccu ccv ccz ch- chc chh chk cho chu chv chz ckc ckh cko co- coc coh cok coo cou cov coz cuc cuh cuk cuo cuu cuv cuz cvc cvh cvk cvo cvu cvv cvz cz- czc czk czo hcc hch hck hco hcv hhc hhh hhk hho hhu hhv hhz hkh hkk hko hku hoc hoh hok hoo hou hov huc huh huk huo huu huv huz hv- hvc hvk hvo hvv hzo k-z kcc kch kck kcu khh khk kho khu khv khz kkc kkh kkk kku kkv koc koh kok koo kou koz kuc kuh kuk kuu kvh kvk kvo kvv kzo oc- occ och ock oco ocu ocv ocz ohc ohh oho ohu okc okk oko oku oo- ooc ooh ook ooo oov ou- ouc ouh ouk ouo ov- ovc ovh ovo ovv ozo ozu ozz ucc uch uck uco ucu ucv uhc uhh uho uhu uhv ukc ukk uku ukz uoc uok uoo uuc uuu uvc uvo uvu uvv uzh uzo uzu vcc vch vco vcu vh- vhc vho voc voh vok voo vou vov voz vuk vuv vuz vvc vvo vvv vvz zco zhc zho zhu zo- zoc zok zoo zou zuc zuk zuz zzz