c-- ccc ccd ccm ccn ccr ccs cct cdc cdd cdm cdn cdr cds cdt cmc cmd cmm cmn cmr cms cmt cn- cnc cnd cnm cnn cnr cns cnt crc crd crm crn crr crs crt csc csd csm csn csr css cst ctc ctd ctm ctn ctr cts ctt dcc dcd dcm dcn dcr dcs dct ddc ddd ddm ddn ddr dds ddt dmc dmd dmm dmn dmr dms dmt dnc dnd dnm dnn dnr dns dnt drc drd drm drn drr drs drt dsc dsd dsm dsn dsr dss dst dtc dtd dtm dtn dtr dts dtt m-r mc- mcc mcd mcm mcn mcr mcs mct mdc mdd mdm mdn mdr mds mdt mmc mmd mmm mmn mmr mms mmt mnc mnm mnn mnr mns mnt mrc mrd mrm mrn mrr mrs mrt msc msd msm msn msr mss mst mtc mtd mtm mtn mtr mts mtt ncc ncd ncm ncn ncr ncs nct ndc ndd ndm ndn ndr nds ndt nmc nmd nmm nmn nmr nms nmt nnc nnm nnn nns nnt nrc nrd nrm nrn nrr nrs nrt nsc nsd nsm nsn nsr nss nst ntc ntd ntm ntn ntr nts ntt rcc rcd rcm rcn rcr rcs rct rdc rdd rdm rdn rdr rds rdt rmc rmd rmm rmn rmr rms rmt rnc rnd rnm rnn rnr rns rnt rrc rrd rrm rrn rrr rrs rrt rsc rsd rsm rsn rsr rss rst rtc rtd rtm rtn rtr rts rtt scc scd scm scn scr scs sct sdc sdd sdm sdn sdr sds sdt smc smd smm smn smr sms smt snc snd snm snn snr sns snt sr- src srd srm srn srr srs srt ss- ssc ssd ssm ssn ssr sss sst stc std stm stn str sts stt tcc tcd tcm tcn tcr tcs tct tdc tdd tdm tdn tdr tds tdt tmc tmd tmm tmn tmr tms tmt tnc tnd tnm tnn tnr tns tnt trc trd trm trn trr trs trt tsc tsd tsm tsn tsr tss tst ttc ttd ttm ttn ttr tts ttt