-ey c-- ccc cce cck ccs ccu ce- cec cee cek ces ceu cey ckc cks cky csc cse csk css csu csy cuc cue cuk cus cuu cuy cyc cye cyk cys ec- ecc ece eck ecs ecu eec eee eek ees eey ekc eke eks eku eky es- esc ese esk ess esu esy eu- euc eue eus eyc eye eys kcc kce kck kcs kcu ke- kec kee kek kes key kkc kke kkk kks kku kky ksc kse ksk kss ksu kuc kue kuk kus kuu kuy kyc kye kys kyu scc sce sck scs scu se- sec see sek ses seu sey sk- skc ske skk sks sku sky ss- ssc sse ssk sss ssu suc sue suk sus suu suy sy- syc sye syk sys syu ucc uce uck ucs ucu uec uee ues uey ukc uke ukk uku usc use usk uss usu uuc uue uus uuu uyc uys uyu ycc yce ycs ycu ycy yec yee yek yes yey ykk ysc yse ysk yss ysu ysy yue yuk yus yuu yuy yyc yye yys yyu yyy