-ey c-- ccc ccd cce cco ccp ccs cct cdc cdd cde cdo cdp cds cdt cdy ce- cec ced cee ceo cep ces cet cey co- coc cod coe coo cop cos cot coy cpc cpd cpe cpo cpp cps cpt csc csd cse cso csp css cst csy ctc ctd cte cto ctp cts ctt cty cyc cyd cye cyo cyp cys cyt dcc dcd dce dco dcp dcs dct ddc ddd dde ddo ddp dds ddt ddy de- dec ded dee deo dep des det dey doc dod doe doo dop dos dot doy dpc dpd dpe dpo dpp dps dpt dsc dsd dse dso dsp dss dst dsy dtc dtd dte dto dtp dts dtt dty dy- dyc dyd dye dyo dyp dys dyy ec- ecc ecd ece eco ecs ect ed- edc edd ede edo edp eds edt edy eec eed eee eeo eep ees eet eey eo- eoc eod eoe eoo eop eos eot ep- epc epd epe epo epp eps ept es- esc esd ese eso esp ess est esy etc etd ete eto etp ets ett ety eyc eyd eye eyo eyp eys eyt oc- occ ocd oco ocp ocs oct odc odd ode odo odp ods odt oec oed oee oeo oep oes oet oey oo- ooc ood ooo oop oos oot op- opc opd ope opo opp ops opt opy os- osc osd ose oso osp oss ost ot- otc otd ote oto otp ots ott oyd oye oyo oys p-p pcc pcd pce pco pcp pcs pct pdc pdd pde pdo pdp pds pdt pec ped pee peo pep pes pet pey poc pod poe poo pop pos pot poy ppc ppd ppe ppo ppp pps ppt ps- psc psd pse pso psp pss pst psy pt- ptc ptd pte pto ptp pts ptt pty py- pyc pyd pye pyo pys pyt scc scd sce sco scp scs sct sdc sdd sde sdo sdp sds sdt sdy se- sec sed see seo sep ses set sey soc sod soe soo sop sos sot soy spc spd spe spo spp sps spt spy ss- ssc ssd sse sso ssp sss sst stc std ste sto stp sts stt sty sy- syc syd sye syp sys syt tcc tcd tce tco tcp tcs tct tdc tdd tde tdo tdp tds tdt tdy te- tec ted tee teo tep tes tet tey to- toc tod toe too top tos tot toy tpc tpd tpe tpo tpp tps tpt tsc tsd tse tso tsp tss tst tsy ttc ttd tte tto ttp tts ttt tty tyc tyd tye tyo typ tys tyt ycc ycd yce yco ycp ycs ycy yde ydo yds ydt ydy yec yed yee yeo yep yes yet yey yoc yod yoe yoo yop yos yot yoy ypd ypo yps ysc yse yso ysp yss yst ysy ytc ytd yte yto ytp yts ytt yyc yye yys yyt yyy