-er -up c-- ccc ccd cce ccn ccp ccr ccs ccu cdc cdd cde cdn cdp cdr cds cdu ce- cec ced cee cen cep cer ces ceu cn- cnc cnd cne cnn cnp cnr cns cnu cpc cpd cpe cpn cpp cpr cps cpu crc crd cre crn crp crr crs cru csc csd cse csn csp csr css csu cuc cud cue cun cup cur cus cuu dcc dcd dce dcn dcp dcr dcs dcu ddc ddd dde ddn ddp ddr dds ddu de- dec ded dee den dep der des deu dnc dnd dne dnn dnp dnr dns dpc dpd dpe dpn dpp dpr dps dpu drc drd dre drn drp drr drs dru dsc dsd dse dsn dsp dsr dss dsu duc dud due dun dup dur dus ec- ecc ecd ece ecn ecr ecs ecu ed- edc edd ede edn edp edr eds edu eec eed eee een eep eer ees en- enc end ene enn enp enr ens enu ep- epc epd epe epn epp epr eps epu erc erd ere ern erp err ers eru es- esc esd ese esn esp esr ess esu eu- euc eud eue eun eup eur eus ncc ncd nce ncn ncp ncr ncs ncu ndc ndd nde ndn ndp ndr nds ndu ne- nec ned nee nen nep ner nes neu nnc nne nnn nnp nns nnu npc npd npe npn npp npr nps npu nrc nrd nre nrn nrp nrr nrs nru nsc nsd nse nsn nsp nsr nss nsu nuc nud nue nun nup nur nus nuu p-p pcc pcd pce pcn pcp pcr pcs pcu pdc pdd pde pdn pdp pdr pds pdu pec ped pee pen pep per pes peu pn- pnc pnd pne pnn pnp pnr pns pnu ppc ppd ppe ppn ppp ppr pps ppu prc prd pre prn prp prr prs pru ps- psc psd pse psn psp psr pss psu puc pud pue pun pup pur pus puu rcc rcd rce rcn rcp rcr rcs rcu rdc rdd rde rdn rdp rdr rds rdu re- rec red ree ren rep rer res reu rnc rnd rnn rnp rnr rns rnu rpc rpd rpe rpn rpp rpr rps rpu rrc rrd rrn rrp rrr rrs rru rsc rsd rse rsn rsp rsr rss rsu ruc rud rue run rup rur rus ruu scc scd sce scn scp scr scs scu sdc sdd sde sdn sdp sdr sds sdu se- sec sed see sen sep ser ses seu snc snd sne snn snp snr sns snu spc spd spe spn spp spr sps spu sr- src srd sre srn srp srr srs ss- ssc ssd sse ssn ssp ssr sss ssu suc sud sue sun sup sur sus suu ucc ucd uce ucn ucp ucr ucs ucu udc udd ude udn udp udr uds udu uec ued uee uen uep uer ues un- unc und une unn unp unr uns unu up- upc upd upe upn upp upr ups upu ur- urc urd ure urn urp urr urs uru usc usd use usn usp usr uss usu uuc uue uun uur uus uuu