c-- ccc cck ccn ccu ccz ckc cky cn- cnc cnn cnu cny cuc cuk cun cuu cuy cuz cyc cyk cyn cz- czc czk k-z kcc kck kcn kcu kkc kkk kkn kku kky kn- knc knk knn knu kuc kuk kun kuu kuy kyc kyn kyu kyz kzy ncc nck ncn ncu nkc nkk nkn nku nky nnc nnk nnn nnu nnz nuc nuk nun nuu nuy nyc nyk nyn nyu nyy nzz ucc uck ucn ucu ukc ukk ukn uku ukz un- unc unk unn unu uny uuc uun uuu uyc uyu uzu ycc ycu ycy ykk ykn ynk ynn ynu yny yuk yun yuu yuy yyc yyu yyy yyz yzu yzy znc znn zuc zuk zun zuz zzy zzz