-er -ey c-- ccc ccd cce ccn cco ccr cct cdc cdd cde cdn cdo cdr cdt cdy ce- cec ced cee cen ceo cer cet cey cn- cnc cnd cne cnn cno cnr cnt cny co- coc cod coe con coo cor cot coy crc crd cre crn cro crr crt cry ctc ctd cte ctn cto ctr ctt cty cyc cyd cye cyn cyo cyr cyt dcc dcd dce dcn dco dcr dct ddc ddd dde ddn ddo ddr ddt ddy de- dec ded dee den deo der det dey dnc dnd dne dnn dno dnr dnt dny doc dod doe don doo dor dot doy drc drd dre drn dro drr drt dry dtc dtd dte dtn dto dtr dtt dty dy- dyc dyd dye dyn dyo dyr dyy ec- ecc ecd ece ecn eco ecr ect ed- edc edd ede edn edo edr edt edy eec eed eee een eeo eer eet eey en- enc end ene enn eno enr ent eny eo- eoc eod eoe eon eoo eor eot erc erd ere ern ero err ert ery etc etd ete etn eto etr ett ety eyc eyd eye eyn eyo eyr eyt ncc ncd nce ncn nco ncr nct ndc ndd nde ndn ndo ndr ndt ndy ne- nec ned nee nen neo ner net ney nnc nne nnn nno nnt no- noc nod noe non noo nor not noy nrc nrd nre nrn nro nrr nrt nry ntc ntd nte ntn nto ntr ntt nyc nyd nye nyn nyo nyt nyy oc- occ ocd ocn oco ocr oct odc odd ode odn odo odr odt oec oed oee oen oeo oer oet oey on- onc ond one onn ono onr ont ony oo- ooc ood oon ooo oor oot or- orc ord ore orn oro orr ort ory ot- otc otd ote otn oto otr ott oyd oye oyo rcc rcd rce rcn rco rcr rct rdc rdd rde rdn rdo rdr rdt rdy re- rec red ree ren reo rer ret rey rnc rnd rnn rno rnr rnt rny roc rod roe ron roo ror rot roy rrc rrd rrn rrr rrt rtc rtd rte rtn rto rtr rtt rty ry- ryc ryd rye ryn ryo ryr ryy tcc tcd tce tcn tco tcr tct tdc tdd tde tdn tdo tdr tdt tdy te- tec ted tee ten teo ter tet tey tnc tnd tne tnn tno tnr tnt to- toc tod toe ton too tor tot toy trc trd tre trn tro trr trt try ttc ttd tte ttn tto ttr ttt tty tyc tyd tye tyn tyo tyr tyt ycc ycd yce yco ycy yde ydn ydo ydt ydy yec yed yee yen yeo yer yet yey ynd yne ynn yny yoc yod yoe yon yoo yor yot yoy yrc yre yrn yro yrt ytc ytd yte ytn yto ytr ytt yyc yye yyt yyy