-er c-- c-j ccc ccd cce ccj cco ccp ccr ccs cct cdc cdd cde cdj cdo cdp cdr cds cdt ce- cec ced cee cej ceo cep cer ces cet cjc cjd cjp cjr cjs co- coc cod coe coj coo cop cor cos cot cpc cpd cpe cpj cpo cpp cpr cps cpt crc crd cre crj cro crp crr crs crt csc csd cse csj cso csp csr css cst ctc ctd cte cto ctp ctr cts ctt dcc dcd dce dco dcp dcr dcs dct ddc ddd dde ddo ddp ddr dds ddt de- dec ded dee dej deo dep der des det dj- djc djd dje djo djp djs djt doc dod doe doj doo dop dor dos dot dpc dpd dpe dpo dpp dpr dps dpt drc drd dre drj dro drp drr drs drt dsc dsd dse dsj dso dsp dsr dss dst dtc dtd dte dtj dto dtp dtr dts dtt ec- ecc ecd ece ecj eco ecr ecs ect ed- edc edd ede edj edo edp edr eds edt eec eed eee eeo eep eer ees eet ejc ejd ejo ejp ejt eo- eoc eod eoe eoo eop eor eos eot ep- epc epd epe epo epp epr eps ept erc erd ere ero erp err ers ert es- esc esd ese eso esp esr ess est etc etd ete etj eto etp etr ets ett j-d jcc jcd jce jco jcp jcr jcs jct jdc jde jdo jdp jdr jds jdt jec jed jee jej jeo jep jer jes jet jjc jjj jjp jjr jjs joc jod joe joj joo jop jor jos jot jpc jpe jpj jpo jpp jpr jps jpt jrc jro jrp jrr jrs jrt jsc jsd jse jsj jso jsp jsr jss jst jtc jte jtp jtr jts jtt oc- occ ocd ocj oco ocp ocr ocs oct odc odd ode odo odp odr ods odt oec oed oee oeo oep oer oes oet ojc ojd oje ojo ojs oo- ooc ood ooo oop oor oos oot op- opc opd ope opj opo opp opr ops opt or- orc ord ore oro orp orr ors ort os- osc osd ose osj oso osp osr oss ost ot- otc otd ote oto otp otr ots ott p-p pcc pcd pce pcj pco pcp pcr pcs pct pdc pdd pde pdo pdp pdr pds pdt pec ped pee peo pep per pes pet pjc pjd pjo pjp pjs poc pod poe poo pop por pos pot ppc ppd ppe ppj ppo ppp ppr pps ppt prc prd pre pro prp prr prs prt ps- psc psd pse psj pso psp psr pss pst pt- ptc ptd pte ptj pto ptp ptr pts ptt rcc rcd rce rcj rco rcp rcr rcs rct rdc rdd rde rdj rdo rdp rdr rds rdt re- rec red ree reo rep rer res ret rjc rjp rjr roc rod roe roj roo rop ror ros rot rpc rpd rpe rpo rpp rpr rps rpt rrc rrd rrp rrr rrs rrt rsc rsd rse rsj rso rsp rsr rss rst rtc rtd rte rtj rto rtp rtr rts rtt scc scd sce scj sco scp scr scs sct sdc sdd sde sdj sdo sdp sdr sds sdt se- sec sed see sej seo sep ser ses set sjc sjd sje sjj sjp sjr sjs sjt soc sod soe soj soo sop sor sos sot spc spd spe spo spp spr sps spt sr- src srd sre srj sro srp srr srs srt ss- ssc ssd sse ssj sso ssp ssr sss sst stc std ste stj sto stp str sts stt tcc tcd tce tcj tco tcp tcr tcs tct tdc tdd tde tdo tdp tdr tds tdt te- tec ted tee tej teo tep ter tes tet tjc tjd tje tjo tjp tjr tjs to- toc tod toe toj too top tor tos tot tpc tpd tpe tpj tpo tpp tpr tps tpt trc trd tre tro trp trr trs trt tsc tsd tse tsj tso tsp tsr tss tst ttc ttd tte tto ttp ttr tts ttt