-ey c-- ccc ccd cce cco ccp cct cdc cdd cde cdo cdp cdt cdy ce- cec ced cee ceo cep cet cey co- coc cod coe coo cop cot coy cpc cpd cpe cpo cpp cpt ctc ctd cte cto ctp ctt cty cyc cyd cye cyo cyp cyt dcc dcd dce dco dcp dct ddc ddd dde ddo ddp ddt ddy de- dec ded dee deo dep det dey doc dod doe doo dop dot doy dpc dpd dpe dpo dpp dpt dtc dtd dte dto dtp dtt dty dy- dyc dyd dye dyo dyp dyy ec- ecc ecd ece eco ect ed- edc edd ede edo edp edt edy eec eed eee eeo eep eet eey eo- eoc eod eoe eoo eop eot ep- epc epd epe epo epp ept etc etd ete eto etp ett ety eyc eyd eye eyo eyp eyt oc- occ ocd oco ocp oct odc odd ode odo odp odt oec oed oee oeo oep oet oey oo- ooc ood ooo oop oot op- opc opd ope opo opp opt opy ot- otc otd ote oto otp ott oyd oye oyo p-p pcc pcd pce pco pcp pct pdc pdd pde pdo pdp pdt pec ped pee peo pep pet pey poc pod poe poo pop pot poy ppc ppd ppe ppo ppp ppt pt- ptc ptd pte pto ptp ptt pty py- pyc pyd pye pyo pyt tcc tcd tce tco tcp tct tdc tdd tde tdo tdp tdt tdy te- tec ted tee teo tep tet tey to- toc tod toe too top tot toy tpc tpd tpe tpo tpp tpt ttc ttd tte tto ttp ttt tty tyc tyd tye tyo typ tyt ycc ycd yce yco ycp ycy yde ydo ydt ydy yec yed yee yeo yep yet yey yoc yod yoe yoo yop yot yoy ypd ypo ytc ytd yte yto ytp ytt yyc yye yyt yyy