-er -ol -up c-- ccc ccd cce ccl cco ccp ccr ccu cdc cdd cde cdl cdo cdp cdr cdu ce- cec ced cee cel ceo cep cer ceu cl- clc cld cle cll clo clp clr clu co- coc cod coe col coo cop cor cou cpc cpd cpe cpl cpo cpp cpr cpu crc crd cre crl cro crp crr cru cuc cud cue cul cuo cup cur cuu dcc dcd dce dcl dco dcp dcr dcu ddc ddd dde ddl ddo ddp ddr ddu de- dec ded dee del deo dep der deu dl- dlc dld dle dll dlo dlp dlr dlu doc dod doe dol doo dop dor dou dpc dpd dpe dpl dpo dpp dpr dpu drc drd dre drl dro drp drr dru duc dud due dul duo dup dur ec- ecc ecd ece ecl eco ecr ecu ed- edc edd ede edl edo edp edr edu eec eed eee eel eeo eep eer elc eld ele ell elo elp elr elu eo- eoc eod eoe eol eoo eop eor eou ep- epc epd epe epl epo epp epr epu erc erd ere erl ero erp err eru eu- euc eud eue eul eup eur l-p lcc lcd lce lcl lco lcp lcr lcu ldc ldd lde ldl ldo ldp ldr ldu lec led lee lel leo lep ler leu llc lld lle lll llo llp llr llu loc lod loe lol loo lop lor lou lpc lpd lpe lpl lpo lpp lpr lpu lrc lrd lro lrp lrr lru luc lud lue lul luo lup lur luu oc- occ ocd ocl oco ocp ocr ocu odc odd ode odl odo odp odr odu oec oed oee oel oeo oep oer olc old ole oll olo olp olu oo- ooc ood ool ooo oop oor op- opc opd ope opl opo opp opr or- orc ord ore orl oro orp orr oru ou- ouc oud oue oul ouo oup our p-p pcc pcd pce pcl pco pcp pcr pcu pdc pdd pde pdl pdo pdp pdr pdu pec ped pee pel peo pep per peu plc pld ple pll plo plp plr plu poc pod poe pol poo pop por pou ppc ppd ppe ppl ppo ppp ppr ppu prc prd pre prl pro prp prr pru puc pud pue pul pup pur puu rcc rcd rce rcl rco rcp rcr rcu rdc rdd rde rdl rdo rdp rdr rdu re- rec red ree rel reo rep rer reu rlc rld rle rll rlo rlp rlr rlu roc rod roe rol roo rop ror rou rpc rpd rpe rpl rpo rpp rpr rpu rrc rrd rrl rrp rrr rru ruc rud rue ruo rup rur ruu ucc ucd uce ucl uco ucp ucr ucu udc udd ude udl udo udp udr udu uec ued uee uel uep uer ulc uld ule ull ulo ulp ulr ulu uoc uod uoe uol uoo uop uor up- upc upd upe upo upp upr upu ur- urc urd ure url uro urp urr uru uuc uue uur uuu