c-- ccc cce cck ccm ccu ce- cec cee cek cem ceu ckc ckm cmc cme cmk cmm cmu cuc cue cuk cum cuu ec- ecc ece eck ecm ecu eec eee eek eem ekc eke eku em- emc eme emk emm emu eu- euc eue kcc kce kck kcm kcu ke- kec kee kek kem kkc kke kkk kkm kku kmc kme kmk kmm kmu kuc kue kuk kum kuu mc- mcc mce mck mcm mcu mec mee mek mem meu mkc mke mkk mkm mku mmc mme mmk mmm mmu muc mue muk mum muu ucc uce uck ucm ucu uec uee uem ukc uke ukk uku um- umc ume umm umu uuc uue uum uuu