-er c-- ccc ccd cce ccm ccr ccs cct ccu cdc cdd cde cdm cdr cds cdt cdu ce- cec ced cee cem cer ces cet ceu cmc cmd cme cmm cmr cms cmt cmu crc crd cre crm crr crs crt cru csc csd cse csm csr css cst csu ctc ctd cte ctm ctr cts ctt ctu cuc cud cue cum cur cus cut cuu dcc dcd dce dcm dcr dcs dct dcu ddc ddd dde ddm ddr dds ddt ddu de- dec ded dee dem der des det deu dmc dmd dme dmm dmr dms dmt dmu drc drd dre drm drr drs drt dru dsc dsd dse dsm dsr dss dst dsu dtc dtd dte dtm dtr dts dtt dtu duc dud due dum dur dus dut ec- ecc ecd ece ecm ecr ecs ect ecu ed- edc edd ede edm edr eds edt edu eec eed eee eem eer ees eet em- emc emd eme emm emr ems emt emu erc erd ere erm err ers ert eru es- esc esd ese esm esr ess est esu etc etd ete etm etr ets ett etu eu- euc eud eue eur eus eut m-r mc- mcc mcd mce mcm mcr mcs mct mcu mdc mdd mde mdm mdr mds mdt mdu mec med mee mem mer mes met meu mmc mmd mme mmm mmr mms mmt mmu mrc mrd mre mrm mrr mrs mrt mru msc msd mse msm msr mss mst msu mtc mtd mte mtm mtr mts mtt mtu muc mud mue mum mur mus mut muu rcc rcd rce rcm rcr rcs rct rcu rdc rdd rde rdm rdr rds rdt rdu re- rec red ree rem rer res ret reu rmc rmd rme rmm rmr rms rmt rrc rrd rrm rrr rrs rrt rru rsc rsd rse rsm rsr rss rst rsu rtc rtd rte rtm rtr rts rtt rtu ruc rud rue rum rur rus rut ruu scc scd sce scm scr scs sct scu sdc sdd sde sdm sdr sds sdt sdu se- sec sed see sem ser ses set seu smc smd sme smm smr sms smt smu sr- src srd sre srm srr srs srt ss- ssc ssd sse ssm ssr sss sst ssu stc std ste stm str sts stt stu suc sud sue sum sur sus sut suu tcc tcd tce tcm tcr tcs tct tcu tdc tdd tde tdm tdr tds tdt tdu te- tec ted tee tem ter tes tet teu tmc tmd tme tmm tmr tms tmt tmu trc trd tre trm trr trs trt tru tsc tsd tse tsm tsr tss tst tsu ttc ttd tte ttm ttr tts ttt ttu tuc tud tue tum tur tus tut tuu ucc ucd uce ucm ucr ucs uct ucu udc udd ude udm udr uds udt udu uec ued uee uem uer ues uet um- umc umd ume umm umr ums umt umu ur- urc urd ure urm urr urs urt uru usc usd use usm usr uss ust usu utc utd ute utm utr uts utt utu uuc uue uum uur uus uut uuu