-up a-a a-b a-t aaa aab aam aap aar aat aau ab- aba abb abm abp abr abt abu ama amb amm amp amr amt amu ap- apa apb apm app apr apt apu ar- ara arb arm arp arr art aru at- ata atb atm atp atr att atu au- aua aub aum aup aur aut b-p b-u baa bab bam bap bar bat bau bba bbb bbm bbp bbr bbt bbu bma bmb bmm bmp bmr bmt bmu bpa bpb bpm bpp bpr bpt bpu bra brb brm brp brr brt bru bta btb btm btp btr btt btu bua bub bum bup bur but buu m-r maa mab mam map mar mat mau mba mbb mbm mbp mbr mbt mbu mma mmb mmm mmp mmr mmt mmu mpa mpb mpm mpp mpr mpt mpu mra mrb mrm mrp mrr mrt mru mta mtb mtm mtp mtr mtt mtu mua mub mum mup mur mut muu p-p paa pab pam pap par pat pau pba pbb pbm pbp pbr pbt pbu pma pmb pmm pmp pmr pmt pmu ppa ppb ppm ppp ppr ppt ppu pra prb prm prp prr prt pru pt- pta ptb ptm ptp ptr ptt ptu pua pub pum pup pur put puu ra- raa rab ram rap rar rat rau rba rbb rbm rbp rbr rbt rbu rma rmb rmm rmp rmr rmt rpa rpb rpm rpp rpr rpt rpu rra rrb rrm rrp rrr rrt rru rta rtb rtm rtp rtr rtt rtu rua rub rum rup rur rut ruu taa tab tam tap tar tat tau tba tbb tbm tbp tbr tbt tbu tma tmb tmm tmp tmr tmt tmu tpa tpb tpm tpp tpr tpt tpu tra trb trm trp trr trt tru tta ttb ttm ttp ttr ttt ttu tua tub tum tup tur tut tuu ua- uaa uab uam uap uar uat uau uba ubb ubp ubr ubt ubu um- uma umb umm ump umr umt umu up- upa upb upm upp upr upt upu ur- ura urb urm urp urr urt uru uta utb utm utp utr utt utu uua uum uur uut uuu