-er -up c-- ccc ccd cce ccn ccp ccr cct ccu cdc cdd cde cdn cdp cdr cdt cdu ce- cec ced cee cen cep cer cet ceu cn- cnc cnd cne cnn cnp cnr cnt cnu cpc cpd cpe cpn cpp cpr cpt cpu crc crd cre crn crp crr crt cru ctc ctd cte ctn ctp ctr ctt ctu cuc cud cue cun cup cur cut cuu dcc dcd dce dcn dcp dcr dct dcu ddc ddd dde ddn ddp ddr ddt ddu de- dec ded dee den dep der det deu dnc dnd dne dnn dnp dnr dnt dpc dpd dpe dpn dpp dpr dpt dpu drc drd dre drn drp drr drt dru dtc dtd dte dtn dtp dtr dtt dtu duc dud due dun dup dur dut ec- ecc ecd ece ecn ecr ect ecu ed- edc edd ede edn edp edr edt edu eec eed eee een eep eer eet en- enc end ene enn enp enr ent enu ep- epc epd epe epn epp epr ept epu erc erd ere ern erp err ert eru etc etd ete etn etp etr ett etu eu- euc eud eue eun eup eur eut ncc ncd nce ncn ncp ncr nct ncu ndc ndd nde ndn ndp ndr ndt ndu ne- nec ned nee nen nep ner net neu nnc nne nnn nnp nnt nnu npc npd npe npn npp npr npt npu nrc nrd nre nrn nrp nrr nrt nru ntc ntd nte ntn ntp ntr ntt ntu nuc nud nue nun nup nur nut nuu p-p pcc pcd pce pcn pcp pcr pct pcu pdc pdd pde pdn pdp pdr pdt pdu pec ped pee pen pep per pet peu pn- pnc pnd pne pnn pnp pnr pnt pnu ppc ppd ppe ppn ppp ppr ppt ppu prc prd pre prn prp prr prt pru pt- ptc ptd pte ptn ptp ptr ptt ptu puc pud pue pun pup pur put puu rcc rcd rce rcn rcp rcr rct rcu rdc rdd rde rdn rdp rdr rdt rdu re- rec red ree ren rep rer ret reu rnc rnd rnn rnp rnr rnt rnu rpc rpd rpe rpn rpp rpr rpt rpu rrc rrd rrn rrp rrr rrt rru rtc rtd rte rtn rtp rtr rtt rtu ruc rud rue run rup rur rut ruu tcc tcd tce tcn tcp tcr tct tcu tdc tdd tde tdn tdp tdr tdt tdu te- tec ted tee ten tep ter tet teu tnc tnd tne tnn tnp tnr tnt tpc tpd tpe tpn tpp tpr tpt tpu trc trd tre trn trp trr trt tru ttc ttd tte ttn ttp ttr ttt ttu tuc tud tue tun tup tur tut tuu ucc ucd uce ucn ucp ucr uct ucu udc udd ude udn udp udr udt udu uec ued uee uen uep uer uet un- unc und une unn unp unr unt unu up- upc upd upe upn upp upr upt upu ur- urc urd ure urn urp urr urt uru utc utd ute utn utp utr utt utu uuc uue uun uur uut uuu