c-- ccc ccm ccn ccp ccr ccs cct cmc cmm cmn cmp cmr cms cmt cn- cnc cnm cnn cnp cnr cns cnt cpc cpm cpn cpp cpr cps cpt crc crm crn crp crr crs crt csc csm csn csp csr css cst ctc ctm ctn ctp ctr cts ctt m-r mc- mcc mcm mcn mcp mcr mcs mct mmc mmm mmn mmp mmr mms mmt mnc mnm mnn mnp mnr mns mnt mpc mpm mpn mpp mpr mps mpt mrc mrm mrn mrp mrr mrs mrt msc msm msn msp msr mss mst mtc mtm mtn mtp mtr mts mtt ncc ncm ncn ncp ncr ncs nct nmc nmm nmn nmp nmr nms nmt nnc nnm nnn nnp nns nnt npc npm npn npp npr nps npt nrc nrm nrn nrp nrr nrs nrt nsc nsm nsn nsp nsr nss nst ntc ntm ntn ntp ntr nts ntt p-p pcc pcm pcn pcp pcr pcs pct pmc pmm pmn pmp pmr pms pmt pn- pnc pnm pnn pnp pnr pns pnt ppc ppm ppn ppp ppr pps ppt prc prm prn prp prr prs prt ps- psc psm psn psp psr pss pst pt- ptc ptm ptn ptp ptr pts ptt rcc rcm rcn rcp rcr rcs rct rmc rmm rmn rmp rmr rms rmt rnc rnm rnn rnp rnr rns rnt rpc rpm rpn rpp rpr rps rpt rrc rrm rrn rrp rrr rrs rrt rsc rsm rsn rsp rsr rss rst rtc rtm rtn rtp rtr rts rtt scc scm scn scp scr scs sct smc smm smn smp smr sms smt snc snm snn snp snr sns snt spc spm spn spp spr sps spt sr- src srm srn srp srr srs srt ss- ssc ssm ssn ssp ssr sss sst stc stm stn stp str sts stt tcc tcm tcn tcp tcr tcs tct tmc tmm tmn tmp tmr tms tmt tnc tnm tnn tnp tnr tns tnt tpc tpm tpn tpp tpr tps tpt trc trm trn trp trr trs trt tsc tsm tsn tsp tsr tss tst ttc ttm ttn ttp ttr tts ttt