-er -ey c-- ccc ccd cce cco ccr cct ccu cdc cdd cde cdo cdr cdt cdu cdy ce- cec ced cee ceo cer cet ceu cey co- coc cod coe coo cor cot cou coy crc crd cre cro crr crt cru cry ctc ctd cte cto ctr ctt ctu cty cuc cud cue cuo cur cut cuu cuy cyc cyd cye cyo cyr cyt dcc dcd dce dco dcr dct dcu ddc ddd dde ddo ddr ddt ddu ddy de- dec ded dee deo der det deu dey doc dod doe doo dor dot dou doy drc drd dre dro drr drt dru dry dtc dtd dte dto dtr dtt dtu dty duc dud due duo dur dut duy dy- dyc dyd dye dyo dyr dyu dyy ec- ecc ecd ece eco ecr ect ecu ed- edc edd ede edo edr edt edu edy eec eed eee eeo eer eet eey eo- eoc eod eoe eoo eor eot eou erc erd ere ero err ert eru ery etc etd ete eto etr ett etu ety eu- euc eud eue eur eut eyc eyd eye eyo eyr eyt oc- occ ocd oco ocr oct ocu odc odd ode odo odr odt odu oec oed oee oeo oer oet oey oo- ooc ood ooo oor oot or- orc ord ore oro orr ort oru ory ot- otc otd ote oto otr ott otu ou- ouc oud oue ouo our out oyd oye oyo rcc rcd rce rco rcr rct rcu rdc rdd rde rdo rdr rdt rdu rdy re- rec red ree reo rer ret reu rey roc rod roe roo ror rot rou roy rrc rrd rrr rrt rru rtc rtd rte rto rtr rtt rtu rty ruc rud rue ruo rur rut ruu ruy ry- ryc ryd rye ryo ryr ryu ryy tcc tcd tce tco tcr tct tcu tdc tdd tde tdo tdr tdt tdu tdy te- tec ted tee teo ter tet teu tey to- toc tod toe too tor tot tou toy trc trd tre tro trr trt tru try ttc ttd tte tto ttr ttt ttu tty tuc tud tue tuo tur tut tuu tuy tyc tyd tye tyo tyr tyt ucc ucd uce uco ucr uct ucu udc udd ude udo udr udt udu uec ued uee uer uet uey uoc uod uoe uoo uor uot ur- urc urd ure uro urr urt uru ury utc utd ute uto utr utt utu uty uuc uue uur uut uuu uyc uyo uyu ycc ycd yce yco ycu ycy yde ydo ydt ydy yec yed yee yeo yer yet yey yoc yod yoe yoo yor yot you yoy yrc yre yro yrt yru ytc ytd yte yto ytr ytt ytu yud yue yuo yur yut yuu yuy yyc yye yyt yyu yyy