-ey c-- ccc cce ccs cct ccu ce- cec cee ces cet ceu cey csc cse css cst csu csy ctc cte cts ctt ctu cty cuc cue cus cut cuu cuy cyc cye cys cyt ec- ecc ece ecs ect ecu eec eee ees eet eey es- esc ese ess est esu esy etc ete ets ett etu ety eu- euc eue eus eut eyc eye eys eyt scc sce scs sct scu se- sec see ses set seu sey ss- ssc sse sss sst ssu stc ste sts stt stu sty suc sue sus sut suu suy sy- syc sye sys syt syu tcc tce tcs tct tcu te- tec tee tes tet teu tey tsc tse tss tst tsu tsy ttc tte tts ttt ttu tty tuc tue tus tut tuu tuy tyc tye tys tyt ucc uce ucs uct ucu uec uee ues uet uey usc use uss ust usu utc ute uts utt utu uty uuc uue uus uut uuu uyc uys uyu ycc yce ycs ycu ycy yec yee yes yet yey ysc yse yss yst ysu ysy ytc yte yts ytt ytu yue yus yut yuu yuy yyc yye yys yyt yyu yyy