-er c-- ccc ccd cce ccn ccr ccs cct ccu cdc cdd cde cdn cdr cds cdt cdu ce- cec ced cee cen cer ces cet ceu cn- cnc cnd cne cnn cnr cns cnt cnu crc crd cre crn crr crs crt cru csc csd cse csn csr css cst csu ctc ctd cte ctn ctr cts ctt ctu cuc cud cue cun cur cus cut cuu dcc dcd dce dcn dcr dcs dct dcu ddc ddd dde ddn ddr dds ddt ddu de- dec ded dee den der des det deu dnc dnd dne dnn dnr dns dnt drc drd dre drn drr drs drt dru dsc dsd dse dsn dsr dss dst dsu dtc dtd dte dtn dtr dts dtt dtu duc dud due dun dur dus dut ec- ecc ecd ece ecn ecr ecs ect ecu ed- edc edd ede edn edr eds edt edu eec eed eee een eer ees eet en- enc end ene enn enr ens ent enu erc erd ere ern err ers ert eru es- esc esd ese esn esr ess est esu etc etd ete etn etr ets ett etu eu- euc eud eue eun eur eus eut ncc ncd nce ncn ncr ncs nct ncu ndc ndd nde ndn ndr nds ndt ndu ne- nec ned nee nen ner nes net neu nnc nne nnn nns nnt nnu nrc nrd nre nrn nrr nrs nrt nru nsc nsd nse nsn nsr nss nst nsu ntc ntd nte ntn ntr nts ntt ntu nuc nud nue nun nur nus nut nuu rcc rcd rce rcn rcr rcs rct rcu rdc rdd rde rdn rdr rds rdt rdu re- rec red ree ren rer res ret reu rnc rnd rnn rnr rns rnt rnu rrc rrd rrn rrr rrs rrt rru rsc rsd rse rsn rsr rss rst rsu rtc rtd rte rtn rtr rts rtt rtu ruc rud rue run rur rus rut ruu scc scd sce scn scr scs sct scu sdc sdd sde sdn sdr sds sdt sdu se- sec sed see sen ser ses set seu snc snd sne snn snr sns snt snu sr- src srd sre srn srr srs srt ss- ssc ssd sse ssn ssr sss sst ssu stc std ste stn str sts stt stu suc sud sue sun sur sus sut suu tcc tcd tce tcn tcr tcs tct tcu tdc tdd tde tdn tdr tds tdt tdu te- tec ted tee ten ter tes tet teu tnc tnd tne tnn tnr tns tnt trc trd tre trn trr trs trt tru tsc tsd tse tsn tsr tss tst tsu ttc ttd tte ttn ttr tts ttt ttu tuc tud tue tun tur tus tut tuu ucc ucd uce ucn ucr ucs uct ucu udc udd ude udn udr uds udt udu uec ued uee uen uer ues uet un- unc und une unn unr uns unt unu ur- urc urd ure urn urr urs urt uru usc usd use usn usr uss ust usu utc utd ute utn utr uts utt utu uuc uue uun uur uus uut uuu