-ey c-- ccc cce ccp ccs cct ce- cec cee cep ces cet cey cpc cpe cpp cps cpt csc cse csp css cst csy ctc cte ctp cts ctt cty cyc cye cyp cys cyt ec- ecc ece ecs ect eec eee eep ees eet eey ep- epc epe epp eps ept es- esc ese esp ess est esy etc ete etp ets ett ety eyc eye eyp eys eyt p-p pcc pce pcp pcs pct pec pee pep pes pet pey ppc ppe ppp pps ppt ps- psc pse psp pss pst psy pt- ptc pte ptp pts ptt pty py- pyc pye pys pyt scc sce scp scs sct se- sec see sep ses set sey spc spe spp sps spt spy ss- ssc sse ssp sss sst stc ste stp sts stt sty sy- syc sye syp sys syt tcc tce tcp tcs tct te- tec tee tep tes tet tey tpc tpe tpp tps tpt tsc tse tsp tss tst tsy ttc tte ttp tts ttt tty tyc tye typ tys tyt ycc yce ycp ycs ycy yec yee yep yes yet yey yps ysc yse ysp yss yst ysy ytc yte ytp yts ytt yyc yye yys yyt yyy