c-- ccc cck ccm ccn ccu ckc ckm cmc cmk cmm cmn cmu cn- cnc cnm cnn cnu cuc cuk cum cun cuu kcc kck kcm kcn kcu kkc kkk kkm kkn kku kmc kmk kmm kmu kn- knc knk knm knn knu kuc kuk kum kun kuu mc- mcc mck mcm mcn mcu mkc mkk mkm mkn mku mmc mmk mmm mmn mmu mnc mnk mnm mnn mnu muc muk mum mun muu ncc nck ncm ncn ncu nkc nkk nkm nkn nku nmc nmk nmm nmn nmu nnc nnk nnm nnn nnu nuc nuk num nun nuu ucc uck ucm ucn ucu ukc ukk ukn uku um- umc umm umn umu un- unc unk unm unn unu uuc uum uun uuu