-er -ey c-- ccc ccd cce cco ccp ccr cct cdc cdd cde cdo cdp cdr cdt cdy ce- cec ced cee ceo cep cer cet cey co- coc cod coe coo cop cor cot coy cpc cpd cpe cpo cpp cpr cpt crc crd cre cro crp crr crt cry ctc ctd cte cto ctp ctr ctt cty cyc cyd cye cyo cyp cyr cyt dcc dcd dce dco dcp dcr dct ddc ddd dde ddo ddp ddr ddt ddy de- dec ded dee deo dep der det dey doc dod doe doo dop dor dot doy dpc dpd dpe dpo dpp dpr dpt drc drd dre dro drp drr drt dry dtc dtd dte dto dtp dtr dtt dty dy- dyc dyd dye dyo dyp dyr dyy ec- ecc ecd ece eco ecr ect ed- edc edd ede edo edp edr edt edy eec eed eee eeo eep eer eet eey eo- eoc eod eoe eoo eop eor eot ep- epc epd epe epo epp epr ept erc erd ere ero erp err ert ery etc etd ete eto etp etr ett ety eyc eyd eye eyo eyp eyr eyt oc- occ ocd oco ocp ocr oct odc odd ode odo odp odr odt oec oed oee oeo oep oer oet oey oo- ooc ood ooo oop oor oot op- opc opd ope opo opp opr opt opy or- orc ord ore oro orp orr ort ory ot- otc otd ote oto otp otr ott oyd oye oyo p-p pcc pcd pce pco pcp pcr pct pdc pdd pde pdo pdp pdr pdt pec ped pee peo pep per pet pey poc pod poe poo pop por pot poy ppc ppd ppe ppo ppp ppr ppt prc prd pre pro prp prr prt pry pt- ptc ptd pte pto ptp ptr ptt pty py- pyc pyd pye pyo pyr pyt rcc rcd rce rco rcp rcr rct rdc rdd rde rdo rdp rdr rdt rdy re- rec red ree reo rep rer ret rey roc rod roe roo rop ror rot roy rpc rpd rpe rpo rpp rpr rpt rrc rrd rrp rrr rrt rtc rtd rte rto rtp rtr rtt rty ry- ryc ryd rye ryo ryr ryy tcc tcd tce tco tcp tcr tct tdc tdd tde tdo tdp tdr tdt tdy te- tec ted tee teo tep ter tet tey to- toc tod toe too top tor tot toy tpc tpd tpe tpo tpp tpr tpt trc trd tre tro trp trr trt try ttc ttd tte tto ttp ttr ttt tty tyc tyd tye tyo typ tyr tyt ycc ycd yce yco ycp ycy yde ydo ydt ydy yec yed yee yeo yep yer yet yey yoc yod yoe yoo yop yor yot yoy ypd ypo yrc yre yro yrp yrt ytc ytd yte yto ytp ytr ytt yyc yye yyt yyy