-er c-- ccc ccd cce cco ccp ccr cct ccx cdc cdd cde cdo cdp cdr cdt cdx ce- cec ced cee ceo cep cer cet cex co- coc cod coe coo cop cor cot cox cpc cpd cpe cpo cpp cpr cpt cpx crc crd cre cro crp crr crt crx ctc ctd cte cto ctp ctr ctt ctx cxc cxo cxp cxr cxt cxx dcc dcd dce dco dcp dcr dct dcx ddc ddd dde ddo ddp ddr ddt ddx de- dec ded dee deo dep der det dex doc dod doe doo dop dor dot dox dpc dpd dpe dpo dpp dpr dpt drc drd dre dro drp drr drt drx dtc dtd dte dto dtp dtr dtt dtx dxc dxd dxo dxp dxr dxt dxx ec- ecc ecd ece eco ecr ect ecx ed- edc edd ede edo edp edr edt edx eec eed eee eeo eep eer eet eex eo- eoc eod eoe eoo eop eor eot ep- epc epd epe epo epp epr ept epx erc erd ere ero erp err ert etc etd ete eto etp etr ett etx ex- exc exd exe exo exp exr ext exx oc- occ ocd oco ocp ocr oct ocx odc odd ode odo odp odr odt oec oed oee oeo oep oer oet oex oo- ooc ood ooo oop oor oot oox op- opc opd ope opo opp opr opt opx or- orc ord ore oro orp orr ort orx ot- otc otd ote oto otp otr ott ox- oxc oxo oxt oxx p-p pcc pcd pce pco pcp pcr pct pcx pdc pdd pde pdo pdp pdr pdt pdx pec ped pee peo pep per pet pex poc pod poe poo pop por pot pox ppc ppd ppe ppo ppp ppr ppt ppx prc prd pre pro prp prr prt prx pt- ptc ptd pte pto ptp ptr ptt ptx pxc pxe pxr pxt rcc rcd rce rco rcp rcr rct rcx rdc rdd rde rdo rdp rdr rdt rdx re- rec red ree reo rep rer ret rex roc rod roe roo rop ror rot rox rpc rpd rpe rpo rpp rpr rpt rpx rrc rrd rrp rrr rrt rtc rtd rte rto rtp rtr rtt rtx rxp rxr t-x tcc tcd tce tco tcp tcr tct tcx tdc tdd tde tdo tdp tdr tdt tdx te- tec ted tee teo tep ter tet tex to- toc tod toe too top tor tot tox tpc tpd tpe tpo tpp tpr tpt tpx trc trd tre tro trp trr trt trx ttc ttd tte tto ttp ttr ttt ttx txe txt xcd xcp xcr xcx xdc xde xdr xdt xed xee xep xer xet xex xoc xod xoo xop xor xot xox xpc xpd xpe xpo xpp xpt xrc xrd xrt xrx xtc xtp xtr xtx xxo xxp xxx

c-cd cccc cccp ccdc ccdp ccdr cced ccee ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp ccrt cctc cctt cd-e cd-r cddr cdec cder cdex cdot cdre cec- cece ceco cecp cect cedd cede cedo cedt ceec ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cerd cere cero cerp cert cet- cete ceto cetp cexe coce coco cocp coct codd code coed coep coex cood coop coot copd cope copo copp copr copt cor- corc cord core coro corp corr cort cotc cote coto cott coxe cpce cpep cper cpox cppd cpre cprt cptp cptr crcc crce crcr crdc cre- crec cred cree creo crep cret crex croc crod croe croo crop cror crot crpc crrt crtc crtp ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp cxpo cxro cxxx dccc dccp dcct dcop dcpo dctc dcxx dddd ddoc ddot ddpo ddrc ddre dec- decc decd dece deco dect dedd dede dedo deed deep deer deet deop deor depc depe depo depp depr dept der- derc dere dero derp derr dete deto detr dex- dexe dext do-x doce doco doct dod- dodd dode dodo doer dood doop door doot dope dopo dopp dopr dopt dorc dord dore doro dorp dorr dort dotd dote doto dott dpcp dpdt dper dppc dppx dred dree dret drod drop drot dtcc dtdp dted dtor dtot dtox dttp dttx dtxt dxcc dxco dxdc dxdr dxec dxed dxep dxoc dxrd dxre dxrp dxrr dxrt dxrx dxxr dxxx eccc ecce ecco ecct ecdc eced eco- ecod ecop ecot ecpd ecpp ecrc ecrr ect- ectc ecto eddc edde eddo eddp ede- eder edex edoc edod eede eeee eeoc eerc eero eetc eete eext eocd eode eore eotc eotd eoto epcc epec epee eper epoc epod epor epot epox eppc eppo eppp epro eprp epte epxp er-x ercc erce ercp erde erec ered erer eret eroc erod eroe eroo erpe errc erre erro etcc etco etec etee eter etoe etox etre etro ette etto exco exec exed exer exo- exod exor expo expr expt exrx exte extr o-eo occc occt oce oced ocee ocet ocpd ocpp ocre ocro ocrr oct- octe octo oddd oded odeo oder odet odex odoo odop odor odot odrp oec- oecc oedo oeec oere oocr ooer oooo oord oore oort ootp opec oped opep oper opet opex opo- opor oppo opto orce orco orde ordo ore- orec ored oreo orer orex oro- oroe oror orot orpc orpe orro ortc orte orto otcd oted otee otep oter oto- otoe otoo otor otpp otre otro otte otto oxep oxer oxo- oxox oxxo pccc pcce pcep pcer pcod pcoe pcpp pcrc pcrd pcre pcte pdcp pdoc pdpr pdrc pdtc pece peco pecr pect ped- pede pedo peec peed peep peer peet peor pepd pepe pepo per- perc perd pere pero perp perr pert pete peto petr pett pocd poce poco pod- podd pode podo poed poer poet pood poop poor poot pop- popc pope popo popp popt porc pore poro porr port potc potd pote poto pott ppcc ppcd pper ppod pppd pppo pppp pprc pptt prcc prcd prcp pre- prec pred pree prep pret prex pro- proc prod proe proo prop