-up m-o m-r mmm mmo mmp mmr mms mmt mmu mom moo mop mor mos mot mou mpm mpo mpp mpr mps mpt mpu mrm mro mrp mrr mrs mrt mru msm mso msp msr mss mst msu mtm mto mtp mtr mts mtt mtu mum mup mur mus mut muu om- omm omo omp omr oms omt omu oo- oom ooo oop oor oos oot op- opm opo opp opr ops opt or- orm oro orp orr ors ort oru os- osm oso osp osr oss ost osu ot- otm oto otp otr ots ott otu ou- oum ouo oup our ous out p-p pmm pmo pmp pmr pms pmt pmu pom poo pop por pos pot pou ppm ppo ppp ppr pps ppt ppu prm pro prp prr prs prt pru ps- psm pso psp psr pss pst psu pt- ptm pto ptp ptr pts ptt ptu pum pup pur pus put puu rmm rmo rmp rmr rms rmt rom roo rop ror ros rot rou rpm rpo rpp rpr rps rpt rpu rrm rrp rrr rrs rrt rru rsm rso rsp rsr rss rst rsu rtm rto rtp rtr rts rtt rtu rum ruo rup rur rus rut ruu smm smo smp smr sms smt smu som soo sop sor sos sot sou spm spo spp spr sps spt spu sr- srm sro srp srr srs srt ss- ssm sso ssp ssr sss sst ssu stm sto stp str sts stt stu sum suo sup sur sus sut suu tmm tmo tmp tmr tms tmt tmu to- tom too top tor tos tot tou tpm tpo tpp tpr tps tpt tpu trm tro trp trr trs trt tru tsm tso tsp tsr tss tst tsu ttm tto ttp ttr tts ttt ttu tum tuo tup tur tus tut tuu um- umm umo ump umr ums umt umu uom uoo uop uor uos uot up- upm upo upp upr ups upt upu ur- urm uro urp urr urs urt uru usm uso usp usr uss ust usu utm uto utp utr uts utt utu uum uur uus uut uuu