-up b-p b-u bbb bbm bbo bbp bbt bbu bmb bmm bmo bmp bmt bmu bob bom boo bop bot bou bpb bpm bpo bpp bpt bpu btb btm bto btp btt btu bub bum buo bup but buu m-o mbb mbm mbo mbp mbt mbu mmb mmm mmo mmp mmt mmu mob mom moo mop mot mou mpb mpm mpo mpp mpt mpu mtb mtm mto mtp mtt mtu mub mum mup mut muu ob- obb obm obo obp obt obu om- omb omm omo omp omt omu oo- oob oom ooo oop oot op- opb opm opo opp opt ot- otb otm oto otp ott otu ou- oum ouo oup out p-p pbb pbm pbo pbp pbt pbu pmb pmm pmo pmp pmt pmu pob pom poo pop pot pou ppb ppm ppo ppp ppt ppu pt- ptb ptm pto ptp ptt ptu pub pum pup put puu tbb tbm tbo tbp tbt tbu tmb tmm tmo tmp tmt tmu to- tob tom too top tot tou tpb tpm tpo tpp tpt tpu ttb ttm tto ttp ttt ttu tub tum tuo tup tut tuu ubb ubo ubp ubt ubu um- umb umm umo ump umt umu uob uom uoo uop uot up- upb upm upo upp upt upu utb utm uto utp utt utu uum uut uuu