m-o m-r mmm mmn mmo mmp mmr mmt mnm mnn mno mnp mnr mnt mom mon moo mop mor mot mpm mpn mpo mpp mpr mpt mrm mrn mro mrp mrr mrt mtm mtn mto mtp mtr mtt nmm nmn nmo nmp nmr nmt nnm nnn nno nnp nnt no- nom non noo nop nor not npm npn npo npp npr npt nrm nrn nro nrp nrr nrt ntm ntn nto ntp ntr ntt om- omm omn omo omp omr omt on- onn ono onp onr ont oo- oom oon ooo oop oor oot op- opm opn opo opp opr opt or- orm orn oro orp orr ort ot- otm otn oto otp otr ott p-p pmm pmn pmo pmp pmr pmt pn- pnm pnn pno pnp pnr pnt pom pon poo pop por pot ppm ppn ppo ppp ppr ppt prm prn pro prp prr prt pt- ptm ptn pto ptp ptr ptt rmm rmn rmo rmp rmr rmt rnm rnn rno rnp rnr rnt rom ron roo rop ror rot rpm rpn rpo rpp rpr rpt rrm rrn rrp rrr rrt rtm rtn rto rtp rtr rtt tmm tmn tmo tmp tmr tmt tnm tnn tno tnp tnr tnt to- tom ton too top tor tot tpm tpn tpo tpp tpr tpt trm trn tro trp trr trt ttm ttn tto ttp ttr ttt