-er c-- c-j ccc ccd cce ccj cco ccp ccr cdc cdd cde cdj cdo cdp cdr ce- cec ced cee cej ceo cep cer cjc cjd cjp cjr co- coc cod coe coj coo cop cor cpc cpd cpe cpj cpo cpp cpr crc crd cre crj cro crp crr dcc dcd dce dco dcp dcr ddc ddd dde ddo ddp ddr de- dec ded dee dej deo dep der dj- djc djd dje djo djp doc dod doe doj doo dop dor dpc dpd dpe dpo dpp dpr drc drd dre drj dro drp drr ec- ecc ecd ece ecj eco ecr ed- edc edd ede edj edo edp edr eec eed eee eeo eep eer ejc ejd ejo ejp eo- eoc eod eoe eoo eop eor ep- epc epd epe epo epp epr erc erd ere ero erp err j-d jcc jcd jce jco jcp jcr jdc jde jdo jdp jdr jec jed jee jej jeo jep jer jjc jjj jjp jjr joc jod joe joj joo jop jor jpc jpe jpj jpo jpp jpr jrc jro jrp jrr oc- occ ocd ocj oco ocp ocr odc odd ode odo odp odr oec oed oee oeo oep oer ojc ojd oje ojo oo- ooc ood ooo oop oor op- opc opd ope opj opo opp opr or- orc ord ore oro orp orr p-p pcc pcd pce pcj pco pcp pcr pdc pdd pde pdo pdp pdr pec ped pee peo pep per pjc pjd pjo pjp poc pod poe poo pop por ppc ppd ppe ppj ppo ppp ppr prc prd pre pro prp prr rcc rcd rce rcj rco rcp rcr rdc rdd rde rdj rdo rdp rdr re- rec red ree reo rep rer rjc rjp rjr roc rod roe roj roo rop ror rpc rpd rpe rpo rpp rpr rrc rrd rrp rrr