-er c-- c-j ccc ccd cce ccj cco ccp ccr cct cdc cdd cde cdj cdo cdp cdr cdt ce- cec ced cee cej ceo cep cer cet cjc cjd cjp cjr co- coc cod coe coj coo cop cor cot cpc cpd cpe cpj cpo cpp cpr cpt crc crd cre crj cro crp crr crt ctc ctd cte cto ctp ctr ctt dcc dcd dce dco dcp dcr dct ddc ddd dde ddo ddp ddr ddt de- dec ded dee dej deo dep der det dj- djc djd dje djo djp djt doc dod doe doj doo dop dor dot dpc dpd dpe dpo dpp dpr dpt drc drd dre drj dro drp drr drt dtc dtd dte dtj dto dtp dtr dtt ec- ecc ecd ece ecj eco ecr ect ed- edc edd ede edj edo edp edr edt eec eed eee eeo eep eer eet ejc ejd ejo ejp ejt eo- eoc eod eoe eoo eop eor eot ep- epc epd epe epo epp epr ept erc erd ere ero erp err ert etc etd ete etj eto etp etr ett j-d jcc jcd jce jco jcp jcr jct jdc jde jdo jdp jdr jdt jec jed jee jej jeo jep jer jet jjc jjj jjp jjr joc jod joe joj joo jop jor jot jpc jpe jpj jpo jpp jpr jpt jrc jro jrp jrr jrt jtc jte jtp jtr jtt oc- occ ocd ocj oco ocp ocr oct odc odd ode odo odp odr odt oec oed oee oeo oep oer oet ojc ojd oje ojo oo- ooc ood ooo oop oor oot op- opc opd ope opj opo opp opr opt or- orc ord ore oro orp orr ort ot- otc otd ote oto otp otr ott p-p pcc pcd pce pcj pco pcp pcr pct pdc pdd pde pdo pdp pdr pdt pec ped pee peo pep per pet pjc pjd pjo pjp poc pod poe poo pop por pot ppc ppd ppe ppj ppo ppp ppr ppt prc prd pre pro prp prr prt pt- ptc ptd pte ptj pto ptp ptr ptt rcc rcd rce rcj rco rcp rcr rct rdc rdd rde rdj rdo rdp rdr rdt re- rec red ree reo rep rer ret rjc rjp rjr roc rod roe roj roo rop ror rot rpc rpd rpe rpo rpp rpr rpt rrc rrd rrp rrr rrt rtc rtd rte rtj rto rtp rtr rtt tcc tcd tce tcj tco tcp tcr tct tdc tdd tde tdo tdp tdr tdt te- tec ted tee tej teo tep ter tet tjc tjd tje tjo tjp tjr to- toc tod toe toj too top tor tot tpc tpd tpe tpj tpo tpp tpr tpt trc trd tre tro trp trr trt ttc ttd tte tto ttp ttr ttt