c-- ccc cck ccl ccm ccu ccz ckc ckm cl- clc clk cll clm clu clz cmc cmk cml cmm cmu cuc cuk cul cum cuu cuz cz- czc czk czm k-z kcc kck kcl kcm kcu kkc kkk kkl kkm kku kl- klc klm klu klz kmc kmk kml kmm kmu kmz kuc kuk kul kum kuu lcc lck lcl lcm lcu lkl llc llk lll llm llu llz lmc lmk lml lmm lmu luc luk lul lum luu luz lzu mc- mcc mck mcl mcm mcu mcz mkc mkk mkl mkm mku mkz mlc mlk mll mlm mlu mmc mmk mml mmm mmu mmz muc muk mul mum muu mzm ucc uck ucl ucm ucu ukc ukk ukl uku ukz ulc ulk ull ulm ulu um- umc uml umm umu uuc uum uuu uzu zcl zmc zmk zmm zuc zuk zul zum zuz zzz