-er c-- ccc ccd cce ccm ccn ccr ccs cct cdc cdd cde cdm cdn cdr cds cdt ce- cec ced cee cem cen cer ces cet cmc cmd cme cmm cmn cmr cms cmt cn- cnc cnd cne cnm cnn cnr cns cnt crc crd cre crm crn crr crs crt csc csd cse csm csn csr css cst ctc ctd cte ctm ctn ctr cts ctt dcc dcd dce dcm dcn dcr dcs dct ddc ddd dde ddm ddn ddr dds ddt de- dec ded dee dem den der des det dmc dmd dme dmm dmn dmr dms dmt dnc dnd dne dnm dnn dnr dns dnt drc drd dre drm drn drr drs drt dsc dsd dse dsm dsn dsr dss dst dtc dtd dte dtm dtn dtr dts dtt ec- ecc ecd ece ecm ecn ecr ecs ect ed- edc edd ede edm edn edr eds edt eec eed eee eem een eer ees eet em- emc emd eme emm emn emr ems emt en- enc end ene enm enn enr ens ent erc erd ere erm ern err ers ert es- esc esd ese esm esn esr ess est etc etd ete etm etn etr ets ett m-r mc- mcc mcd mce mcm mcn mcr mcs mct mdc mdd mde mdm mdn mdr mds mdt mec med mee mem men mer mes met mmc mmd mme mmm mmn mmr mms mmt mnc mne mnm mnn mnr mns mnt mrc mrd mre mrm mrn mrr mrs mrt msc msd mse msm msn msr mss mst mtc mtd mte mtm mtn mtr mts mtt ncc ncd nce ncm ncn ncr ncs nct ndc ndd nde ndm ndn ndr nds ndt ne- nec ned nee nem nen ner nes net nmc nmd nme nmm nmn nmr nms nmt nnc nne nnm nnn nns nnt nrc nrd nre nrm nrn nrr nrs nrt nsc nsd nse nsm nsn nsr nss nst ntc ntd nte ntm ntn ntr nts ntt rcc rcd rce rcm rcn rcr rcs rct rdc rdd rde rdm rdn rdr rds rdt re- rec red ree rem ren rer res ret rmc rmd rme rmm rmn rmr rms rmt rnc rnd rnm rnn rnr rns rnt rrc rrd rrm rrn rrr rrs rrt rsc rsd rse rsm rsn rsr rss rst rtc rtd rte rtm rtn rtr rts rtt scc scd sce scm scn scr scs sct sdc sdd sde sdm sdn sdr sds sdt se- sec sed see sem sen ser ses set smc smd sme smm smn smr sms smt snc snd sne snm snn snr sns snt sr- src srd sre srm srn srr srs srt ss- ssc ssd sse ssm ssn ssr sss sst stc std ste stm stn str sts stt tcc tcd tce tcm tcn tcr tcs tct tdc tdd tde tdm tdn tdr tds tdt te- tec ted tee tem ten ter tes tet tmc tmd tme tmm tmn tmr tms tmt tnc tnd tne tnm tnn tnr tns tnt trc trd tre trm trn trr trs trt tsc tsd tse tsm tsn tsr tss tst ttc ttd tte ttm ttn ttr tts ttt