-er -up a-a a-b a-c a-t aaa aab aac aae aam aao aap aar aat aau ab- aba abb abc abe abm abo abp abr abt abu ac- aca acb acc ace acm aco acp acr act acu aea aeb aec aee aem aeo aep aer aet aeu ama amb amc ame amm amo amp amr amt amu aoa aob aoc aoe aom aoo aop aor aot aou ap- apa apb apc ape apm apo app apr apt apu ar- ara arb arc are arm aro arp arr art aru at- ata atb atc ate atm ato atp atr att atu au- aua aub auc aue aum auo aup aur aut b-p b-u baa bab bac bae bam bao bap bar bat bau bba bbb bbc bbe bbm bbo bbp bbr bbt bbu bca bcb bcc bce bcm bco bcp bcr bct bcu be- bea beb bec bee bem beo bep ber bet beu bma bmb bmc bme bmm bmo bmp bmr bmt bmu boa bob boc boe bom boo bop bor bot bou bpa bpb bpc bpe bpm bpo bpp bpr bpt bpu bra brb bre brm bro brp brr brt bru bta btb btc bte btm bto btp btr btt btu bua bub buc bue bum buo bup bur but buu c-- caa cab cac cae cam cao cap car cat cau cba cbb cbc cbe cbm cbo cbp cbr cbt cbu cca ccb ccc cce ccm cco ccp ccr cct ccu ce- cea ceb cec cee cem ceo cep cer cet ceu cma cmb cmc cme cmm cmo cmp cmr cmt cmu co- coa cob coc coe com coo cop cor cot cou cpa cpb cpc cpe cpm cpo cpp cpr cpt cpu cra crb crc cre crm cro crp crr crt cru cta ctb ctc cte ctm cto ctp ctr ctt ctu cua cub cuc cue cum cuo cup cur cut cuu eaa eab eac eae eam eao eap ear eat eau eba ebb ebc ebe ebm ebo ebp ebr ebt ebu ec- eca ecb ecc ece ecm eco ecr ect ecu eea eeb eec eee eem eeo eep eer eet em- ema emb emc eme emm emo emp emr emt emu eo- eoa eob eoc eoe eom eoo eop eor eot eou ep- epa epb epc epe epm epo epp epr ept epu era erb erc ere erm ero erp err ert eru eta etb etc ete etm eto etp etr ett etu eu- eua eub euc eue eup eur eut m-o m-r maa mab mac mae mam mao map mar mat mau mba mbb mbc mbe mbm mbo mbp mbr mbt mbu mc- mca mcb mcc mce mcm mco mcp mcr mct mcu mea meb mec mee mem meo mep mer met meu mma mmb mmc mme mmm mmo mmp mmr mmt mmu moa mob moc moe mom moo mop mor mot mou mpa mpb mpc mpe mpm mpo mpp mpr mpt mpu mra mrb mrc mre mrm mro mrp mrr mrt mru mta mtb mtc mte mtm mto mtp mtr mtt mtu mua mub muc mue mum mup mur mut muu oaa oab oac oae oam oao oap oar oat oau ob- oba obb obc obe obm obo obp obr obt obu oc- oca ocb occ ocm oco ocp ocr oct ocu oea oeb oec oee oem oeo oep oer oet om- oma omb omc ome omm omo omp omr omt omu oo- ooa oob ooc oom ooo oop oor oot op- opa opb opc ope opm opo opp opr opt or- ora orb orc ore orm oro orp orr ort oru ot- ota otb otc ote otm oto otp otr ott otu ou- oua ouc oue oum ouo oup our out p-p paa pab pac pae pam pao pap par pat pau pba pbb pbc pbe pbm pbo pbp pbr pbt pbu pca pcb pcc pce pcm pco pcp pcr pct pcu pea peb pec pee pem peo pep per pet peu pma pmb pmc pme pmm pmo pmp pmr pmt pmu poa pob poc poe pom poo pop por pot pou ppa ppb ppc ppe ppm ppo ppp ppr ppt ppu pra prb prc pre prm pro prp prr prt pru pt- pta ptb ptc pte ptm pto ptp ptr ptt ptu pua pub puc pue pum pup pur put puu ra- raa rab rac rae ram rao rap rar rat rau rba rbb rbc rbe rbm rbo rbp rbr rbt rbu rca rcb rcc rce rcm rco rcp rcr rct rcu re- rea reb rec ree rem reo rep rer ret reu rma rmb rmc rme rmm rmo rmp rmr rmt roa rob roc roe rom roo rop ror rot rou rpa rpb rpc rpe rpm rpo rpp rpr rpt rpu rra rrb rrc rrm rrp rrr rrt rru rta rtb rtc rte rtm rto rtp rtr rtt rtu rua rub ruc rue rum ruo rup rur rut ruu taa tab tac tae tam tao tap tar tat tau tba tbb tbc tbe tbm tbo tbp tbr tbt tbu tca tcb tcc tce tcm tco tcp tcr tct tcu te- tea teb tec tee tem teo tep ter tet teu tma tmb tmc tme tmm tmo tmp tmr tmt tmu to- toa tob toc toe tom too top tor tot tou tpa tpb tpc tpe tpm tpo tpp tpr tpt tpu tra trb trc tre trm tro trp trr trt tru tta ttb ttc tte ttm tto ttp ttr ttt ttu tua tub tuc tue tum tuo tup tur tut tuu ua- uaa uab uac uae uam uao uap uar uat uau uba ubb ubc ube ubo ubp ubr ubt ubu uca ucb ucc uce ucm uco ucp ucr uct ucu uea ueb uec uee uem uep uer uet um- uma umb umc ume umm umo ump umr umt umu uoa uob uoc uoe uom uoo uop uor uot up- upa upb upc upe upm upo upp upr upt upu ur- ura urb urc ure urm uro urp urr urt