-er -up a-a a-b a-t aaa aab aae aam aan aap aar aat aau ab- aba abb abe abm abn abp abr abt abu aea aeb aee aem aen aep aer aet aeu ama amb ame amm amn amp amr amt amu an- ana anb ane anm ann anp anr ant anu ap- apa apb ape apm apn app apr apt apu ar- ara arb are arm arn arp arr art aru at- ata atb ate atm atn atp atr att atu au- aua aub aue aum aun aup aur aut b-p b-u baa bab bae bam ban bap bar bat bau bba bbb bbe bbm bbn bbp bbr bbt bbu be- bea beb bee bem ben bep ber bet beu bma bmb bme bmm bmn bmp bmr bmt bmu bna bnb bne bnn bnp bnr bnt bnu bpa bpb bpe bpm bpn bpp bpr bpt bpu bra brb bre brm brn brp brr brt bru bta btb bte btm btn btp btr btt btu bua bub bue bum bun bup bur but buu eaa eab eae eam ean eap ear eat eau eba ebb ebe ebm ebn ebp ebr ebt ebu eea eeb eee eem een eep eer eet em- ema emb eme emm emn emp emr emt emu en- ena enb ene enm enn enp enr ent enu ep- epa epb epe epm epn epp epr ept epu era erb ere erm ern erp err ert eru eta etb ete etm etn etp etr ett etu eu- eua eub eue eun eup eur eut m-r maa mab mae mam man map mar mat mau mba mbb mbe mbm mbp mbr mbt mbu mea meb mee mem men mep mer met meu mma mmb mme mmm mmn mmp mmr mmt mmu mna mnb mne mnm mnn mnp mnr mnt mnu mpa mpb mpe mpm mpn mpp mpr mpt mpu mra mrb mre mrm mrn mrp mrr mrt mru mta mtb mte mtm mtn mtp mtr mtt mtu mua mub mue mum mun mup mur mut muu naa nab nae nam nan nap nar nat nau nba nbb nbe nbm nbn nbp nbr nbt nbu ne- nea neb nee nem nen nep ner net neu nma nmb nme nmm nmn nmp nmr nmt nmu nna nnb nne nnm nnn nnp nnt nnu npa npb npe npm npn npp npr npt npu nra nrb nre nrm nrn nrp nrr nrt nru nta ntb nte ntm ntn ntp ntr ntt ntu nua nub nue num nun nup nur nut nuu p-p paa pab pae pam pan pap par pat pau pba pbb pbe pbm pbn pbp pbr pbt pbu pea peb pee pem pen pep per pet peu pma pmb pme pmm pmn pmp pmr pmt pmu pn- pna pnb pne pnm pnn pnp pnr pnt pnu ppa ppb ppe ppm ppn ppp ppr ppt ppu pra prb pre prm prn prp prr prt pru pt- pta ptb pte ptm ptn ptp ptr ptt ptu pua pub pue pum pun pup pur put puu ra- raa rab rae ram ran rap rar rat rau rba rbb rbe rbm rbn rbp rbr rbt rbu re- rea reb ree rem ren rep rer ret reu rma rmb rme rmm rmn rmp rmr rmt rna rnb rnm rnn rnp rnr rnt rnu rpa rpb rpe rpm rpn rpp rpr rpt rpu rra rrb rrm rrn rrp rrr rrt rru rta rtb rte rtm rtn rtp rtr rtt rtu rua rub rue rum run rup rur rut ruu taa tab tae tam tan tap tar tat tau tba tbb tbe tbm tbn tbp tbr tbt tbu te- tea teb tee tem ten tep ter tet teu tma tmb tme tmm tmn tmp tmr tmt tmu tna tnb tne tnm tnn tnp tnr tnt tpa tpb tpe tpm tpn tpp tpr tpt tpu tra trb tre trm trn trp trr trt tru tta ttb tte ttm ttn ttp ttr ttt ttu tua tub tue tum tun tup tur tut tuu ua- uaa uab uae uam uan uap uar uat uau uba ubb ube ubn ubp ubr ubt ubu uea ueb uee uem uen uep uer uet um- uma umb ume umm umn ump umr umt umu un- una unb une unm unn unp unr unt unu up- upa upb upe upm upn upp upr upt upu ur- ura urb ure urm urn urp urr urt uru uta utb ute utm utn utp utr utt utu uua uue uum uun uur uut uuu