-ey c-- ccc cce ccs cct ce- cec cee ces cet cey csc cse css cst csy ctc cte cts ctt cty cyc cye cys cyt ec- ecc ece ecs ect eec eee ees eet eey es- esc ese ess est esy etc ete ets ett ety eyc eye eys eyt scc sce scs sct se- sec see ses set sey ss- ssc sse sss sst stc ste sts stt sty sy- syc sye sys syt tcc tce tcs tct te- tec tee tes tet tey tsc tse tss tst tsy ttc tte tts ttt tty tyc tye tys tyt ycc yce ycs ycy yec yee yes yet yey ysc yse yss yst ysy ytc yte yts ytt yyc yye yys yyt yyy