m-r mmm mmn mmp mmr mms mmt mnm mnn mnp mnr mns mnt mpm mpn mpp mpr mps mpt mrm mrn mrp mrr mrs mrt msm msn msp msr mss mst mtm mtn mtp mtr mts mtt nmm nmn nmp nmr nms nmt nnm nnn nnp nns nnt npm npn npp npr nps npt nrm nrn nrp nrr nrs nrt nsm nsn nsp nsr nss nst ntm ntn ntp ntr nts ntt p-p pmm pmn pmp pmr pms pmt pn- pnm pnn pnp pnr pns pnt ppm ppn ppp ppr pps ppt prm prn prp prr prs prt ps- psm psn psp psr pss pst pt- ptm ptn ptp ptr pts ptt rmm rmn rmp rmr rms rmt rnm rnn rnp rnr rns rnt rpm rpn rpp rpr rps rpt rrm rrn rrp rrr rrs rrt rsm rsn rsp rsr rss rst rtm rtn rtp rtr rts rtt smm smn smp smr sms smt snm snn snp snr sns snt spm spn spp spr sps spt sr- srm srn srp srr srs srt ss- ssm ssn ssp ssr sss sst stm stn stp str sts stt tmm tmn tmp tmr tms tmt tnm tnn tnp tnr tns tnt tpm tpn tpp tpr tps tpt trm trn trp trr trs trt tsm tsn tsp tsr tss tst ttm ttn ttp ttr tts ttt