c-- ccc cch cck ccn ccu ch- chc chh chk chn chu ckc ckh cn- cnc cnh cnn cnu cuc cuh cuk cun cuu hcc hch hck hcn hhc hhh hhk hhn hhu hkh hkk hkn hku hnc hnh hnk hnn hnu huc huh huk hun huu kcc kch kck kcn kcu khh khk khn khu kkc kkh kkk kkn kku kn- knc knk knn knu kuc kuh kuk kun kuu ncc nch nck ncn ncu nhc nhh nhk nhn nhu nkc nkk nkn nku nnc nnh nnk nnn nnu nuc nuh nuk nun nuu ucc uch uck ucn ucu uhc uhh uhu ukc ukk ukn uku un- unc unh unk unn unu uuc uun uuu