-up a-a a-b a-c a-t aaa aab aac aam aao aap aar aat aau ab- aba abb abc abm abo abp abr abt abu ac- aca acb acc acm aco acp acr act acu ama amb amc amm amo amp amr amt amu aoa aob aoc aom aoo aop aor aot aou ap- apa apb apc apm apo app apr apt apu ar- ara arb arc arm aro arp arr art aru at- ata atb atc atm ato atp atr att atu au- aua aub auc aum auo aup aur aut b-p b-u baa bab bac bam bao bap bar bat bau bba bbb bbc bbm bbo bbp bbr bbt bbu bca bcb bcc bcm bco bcp bcr bct bcu bma bmb bmc bmm bmo bmp bmr bmt bmu boa bob boc bom boo bop bor bot bou bpa bpb bpc bpm bpo bpp bpr bpt bpu bra brb brm bro brp brr brt bru bta btb btc btm bto btp btr btt btu bua bub buc bum buo bup bur but buu c-- caa cab cac cam cao cap car cat cau cba cbb cbc cbm cbo cbp cbr cbt cbu cca ccb ccc ccm cco ccp ccr cct ccu cma cmb cmc cmm cmo cmp cmr cmt cmu co- coa cob coc com coo cop cor cot cou cpa cpb cpc cpm cpo cpp cpr cpt cpu cra crb crc crm cro crp crr crt cru cta ctb ctc ctm cto ctp ctr ctt ctu cua cub cuc cum cuo cup cur cut cuu m-o m-r maa mab mac mam mao map mar mat mau mba mbb mbc mbm mbo mbp mbr mbt mbu mc- mca mcb mcc mcm mco mcp mcr mct mcu mma mmb mmc mmm mmo mmp mmr mmt mmu moa mob moc mom moo mop mor mot mou mpa mpb mpc mpm mpo mpp mpr mpt mpu mra mrb mrc mrm mro mrp mrr mrt mru mta mtb mtc mtm mto mtp mtr mtt mtu mua mub muc mum mup mur mut muu oaa oab oac oam oao oap oar oat oau ob- oba obb obc obm obo obp obr obt obu oc- oca ocb occ ocm oco ocp ocr oct ocu om- oma omb omc omm omo omp omr omt omu oo- ooa oob ooc oom ooo oop oor oot op- opa opb opc opm opo opp opr opt or- ora orb orc orm oro orp orr ort oru ot- ota otb otc otm oto otp otr ott otu ou- oua ouc oum ouo oup our out p-p paa pab pac pam pao pap par pat pau pba pbb pbc pbm pbo pbp pbr pbt pbu pca pcb pcc pcm pco pcp pcr pct pcu pma pmb pmc pmm pmo pmp pmr pmt pmu poa pob poc pom poo pop por pot pou ppa ppb ppc ppm ppo ppp ppr ppt ppu pra prb prc prm pro prp prr prt pru pt- pta ptb ptc ptm pto ptp ptr ptt ptu pua pub puc pum pup pur put puu ra- raa rab rac ram rao rap rar rat rau rba rbb rbc rbm rbo rbp rbr rbt rbu rca rcb rcc rcm rco rcp rcr rct rcu rma rmb rmc rmm rmo rmp rmr rmt roa rob roc rom roo rop ror rot rou rpa rpb rpc rpm rpo rpp rpr rpt rpu rra rrb rrc rrm rrp rrr rrt rru rta rtb rtc rtm rto rtp rtr rtt rtu rua rub ruc rum ruo rup rur rut ruu taa tab tac tam tao tap tar tat tau tba tbb tbc tbm tbo tbp tbr tbt tbu tca tcb tcc tcm tco tcp tcr tct tcu tma tmb tmc tmm tmo tmp tmr tmt tmu to- toa tob toc tom too top tor tot tou tpa tpb tpc tpm tpo tpp tpr tpt tpu tra trb trc trm tro trp trr trt tru tta ttb ttc ttm tto ttp ttr ttt ttu tua tub tuc tum tuo tup tur tut tuu ua- uaa uab uac uam uao uap uar uat uau uba ubb ubc ubo ubp ubr ubt ubu uca ucb ucc ucm uco ucp ucr uct ucu um- uma umb umc umm umo ump umr umt umu uoa uob uoc uom uoo uop uor uot up- upa upb upc upm upo upp upr upt upu ur- ura urb urc urm uro urp urr urt uru uta utb utc utm uto utp utr utt utu uua uuc uum uur uut uuu