-er c-- ccc ccd cce ccm cco ccr ccs cct ccu cdc cdd cde cdm cdo cdr cds cdt cdu ce- cec ced cee cem ceo cer ces cet ceu cmc cmd cme cmm cmo cmr cms cmt cmu co- coc cod coe com coo cor cos cot cou crc crd cre crm cro crr crs crt cru csc csd cse csm cso csr css cst csu ctc ctd cte ctm cto ctr cts ctt ctu cuc cud cue cum cuo cur cus cut cuu dcc dcd dce dcm dco dcr dcs dct dcu ddc ddd dde ddm ddo ddr dds ddt ddu de- dec ded dee dem deo der des det deu dmc dmd dme dmm dmo dmr dms dmt dmu doc dod doe dom doo dor dos dot dou drc drd dre drm dro drr drs drt dru dsc dsd dse dsm dso dsr dss dst dsu dtc dtd dte dtm dto dtr dts dtt dtu duc dud due dum duo dur dus dut ec- ecc ecd ece ecm eco ecr ecs ect ecu ed- edc edd ede edm edo edr eds edt edu eec eed eee eem eeo eer ees eet em- emc emd eme emm emo emr ems emt emu eo- eoc eod eoe eom eoo eor eos eot eou erc erd ere erm ero err ers ert eru es- esc esd ese esm eso esr ess est esu etc etd ete etm eto etr ets ett etu eu- euc eud eue eur eus eut m-o m-r mc- mcc mcd mce mcm mco mcr mcs mct mcu mdc mdd mde mdm mdo mdr mds mdt mdu mec med mee mem meo mer mes met meu mmc mmd mme mmm mmo mmr mms mmt mmu moc mod moe mom moo mor mos mot mou mrc mrd mre mrm mro mrr mrs mrt mru msc msd mse msm mso msr mss mst msu mtc mtd mte mtm mto mtr mts mtt mtu muc mud mue mum mur mus mut muu oc- occ ocd ocm oco ocr ocs oct ocu odc odd ode odm odo odr ods odt odu oec oed oee oem oeo oer oes oet om- omc omd ome omm omo omr oms omt omu oo- ooc ood oom ooo oor oos oot or- orc ord ore orm oro orr ors ort oru os- osc osd ose osm oso osr oss ost osu ot- otc otd ote otm oto otr ots ott otu ou- ouc oud oue oum ouo our ous out rcc rcd rce rcm rco rcr rcs rct rcu rdc rdd rde rdm rdo rdr rds rdt rdu re- rec red ree rem reo rer res ret reu rmc rmd rme rmm rmo rmr rms rmt roc rod roe rom roo ror ros rot rou rrc rrd rrm rrr rrs rrt rru rsc rsd rse rsm rso rsr rss rst rsu rtc rtd rte rtm rto rtr rts rtt rtu ruc rud rue rum ruo rur rus rut ruu scc scd sce scm sco scr scs sct scu sdc sdd sde sdm sdo sdr sds sdt sdu se- sec sed see sem seo ser ses set seu smc smd sme smm smo smr sms smt smu soc sod soe som soo sor sos sot sou sr- src srd sre srm sro srr srs srt ss- ssc ssd sse ssm sso ssr sss sst ssu stc std ste stm sto str sts stt stu suc sud sue sum suo sur sus sut suu tcc tcd tce tcm tco tcr tcs tct tcu tdc tdd tde tdm tdo tdr tds tdt tdu te- tec ted tee tem teo ter tes tet teu tmc tmd tme tmm tmo tmr tms tmt tmu to- toc tod toe tom too tor tos tot tou trc trd tre trm tro trr trs trt tru tsc tsd tse tsm tso tsr tss tst tsu ttc ttd tte ttm tto ttr tts ttt ttu tuc tud tue tum tuo tur tus tut tuu ucc ucd uce ucm uco ucr ucs uct ucu udc udd ude udm udo udr uds udt udu uec ued uee uem uer ues uet um- umc umd ume umm umo umr ums umt umu uoc uod uoe uom uoo uor uos uot ur- urc urd ure urm uro urr urs urt uru usc usd use usm uso usr uss ust usu utc utd ute utm uto utr uts utt utu uuc uue uum uur uus uut uuu