-ey c-- ccc cce cck ccm ccs ccu ce- cec cee cek cem ces ceu cey ckc ckm cks cky cmc cme cmk cmm cms cmu cmy csc cse csk csm css csu csy cuc cue cuk cum cus cuu cuy cyc cye cyk cym cys ec- ecc ece eck ecm ecs ecu eec eee eek eem ees eey ekc eke eks eku eky em- emc eme emk emm ems emu es- esc ese esk esm ess esu esy eu- euc eue eus eyc eye eym eys kcc kce kck kcm kcs kcu ke- kec kee kek kem kes key kkc kke kkk kkm kks kku kky kmc kme kmk kmm kms kmu ksc kse ksk ksm kss ksu kuc kue kuk kum kus kuu kuy kyc kye kym kys kyu mc- mcc mce mck mcm mcs mcu mec mee mek mem mes meu mey mkc mke mkk mkm mks mku mky mmc mme mmk mmm mms mmu msc mse msk msm mss msu msy muc mue muk mum mus muu muy my- myc mye myk mym mys myu scc sce sck scm scs scu se- sec see sek sem ses seu sey sk- skc ske skk skm sks sku sky smc sme smk smm sms smu smy ss- ssc sse ssk ssm sss ssu suc sue suk sum sus suu suy sy- syc sye syk sym sys syu ucc uce uck ucm ucs ucu uec uee uem ues uey ukc uke ukk uku um- umc ume umm ums umu usc use usk usm uss usu uuc uue uum uus uuu uyc uys uyu ycc yce ycs ycu ycy yec yee yek yem yes yey ykk ykm ymc yme ymm yms ysc yse ysk ysm yss ysu ysy yue yuk yum yus yuu yuy yyc yye yys yyu yyy