-er c-- ccc ccd cce ccm ccn ccr cct cdc cdd cde cdm cdn cdr cdt ce- cec ced cee cem cen cer cet cmc cmd cme cmm cmn cmr cmt cn- cnc cnd cne cnm cnn cnr cnt crc crd cre crm crn crr crt ctc ctd cte ctm ctn ctr ctt dcc dcd dce dcm dcn dcr dct ddc ddd dde ddm ddn ddr ddt de- dec ded dee dem den der det dmc dmd dme dmm dmn dmr dmt dnc dnd dne dnm dnn dnr dnt drc drd dre drm drn drr drt dtc dtd dte dtm dtn dtr dtt ec- ecc ecd ece ecm ecn ecr ect ed- edc edd ede edm edn edr edt eec eed eee eem een eer eet em- emc emd eme emm emn emr emt en- enc end ene enm enn enr ent erc erd ere erm ern err ert etc etd ete etm etn etr ett m-r mc- mcc mcd mce mcm mcn mcr mct mdc mdd mde mdm mdn mdr mdt mec med mee mem men mer met mmc mmd mme mmm mmn mmr mmt mnc mne mnm mnn mnr mnt mrc mrd mre mrm mrn mrr mrt mtc mtd mte mtm mtn mtr mtt ncc ncd nce ncm ncn ncr nct ndc ndd nde ndm ndn ndr ndt ne- nec ned nee nem nen ner net nmc nmd nme nmm nmn nmr nmt nnc nne nnm nnn nnt nrc nrd nre nrm nrn nrr nrt ntc ntd nte ntm ntn ntr ntt rcc rcd rce rcm rcn rcr rct rdc rdd rde rdm rdn rdr rdt re- rec red ree rem ren rer ret rmc rmd rme rmm rmn rmr rmt rnc rnd rnm rnn rnr rnt rrc rrd rrm rrn rrr rrt rtc rtd rte rtm rtn rtr rtt tcc tcd tce tcm tcn tcr tct tdc tdd tde tdm tdn tdr tdt te- tec ted tee tem ten ter tet tmc tmd tme tmm tmn tmr tmt tnc tnd tne tnm tnn tnr tnt trc trd tre trm trn trr trt ttc ttd tte ttm ttn ttr ttt