-up m-o mmm mmo mmp mms mmt mmu mom moo mop mos mot mou mpm mpo mpp mps mpt mpu msm mso msp mss mst msu mtm mto mtp mts mtt mtu mum mup mus mut muu om- omm omo omp oms omt omu oo- oom ooo oop oos oot op- opm opo opp ops opt os- osm oso osp oss ost osu ot- otm oto otp ots ott otu ou- oum ouo oup ous out p-p pmm pmo pmp pms pmt pmu pom poo pop pos pot pou ppm ppo ppp pps ppt ppu ps- psm pso psp pss pst psu pt- ptm pto ptp pts ptt ptu pum pup pus put puu smm smo smp sms smt smu som soo sop sos sot sou spm spo spp sps spt spu ss- ssm sso ssp sss sst ssu stm sto stp sts stt stu sum suo sup sus sut suu tmm tmo tmp tms tmt tmu to- tom too top tos tot tou tpm tpo tpp tps tpt tpu tsm tso tsp tss tst tsu ttm tto ttp tts ttt ttu tum tuo tup tus tut tuu um- umm umo ump ums umt umu uom uoo uop uos uot up- upm upo upp ups upt upu usm uso usp uss ust usu utm uto utp uts utt utu uum uus uut uuu