-er -up a-a a-b a-c a-t aaa aab aac aae aam aap aar aat aau ab- aba abb abc abe abm abp abr abt abu ac- aca acb acc ace acm acp acr act acu aea aeb aec aee aem aep aer aet aeu ama amb amc ame amm amp amr amt amu ap- apa apb apc ape apm app apr apt apu ar- ara arb arc are arm arp arr art aru at- ata atb atc ate atm atp atr att atu au- aua aub auc aue aum aup aur aut b-p b-u baa bab bac bae bam bap bar bat bau bba bbb bbc bbe bbm bbp bbr bbt bbu bca bcb bcc bce bcm bcp bcr bct bcu be- bea beb bec bee bem bep ber bet beu bma bmb bmc bme bmm bmp bmr bmt bmu bpa bpb bpc bpe bpm bpp bpr bpt bpu bra brb bre brm brp brr brt bru bta btb btc bte btm btp btr btt btu bua bub buc bue bum bup bur but buu c-- caa cab cac cae cam cap car cat cau cba cbb cbc cbe cbm cbp cbr cbt cbu cca ccb ccc cce ccm ccp ccr cct ccu ce- cea ceb cec cee cem cep cer cet ceu cma cmb cmc cme cmm cmp cmr cmt cmu cpa cpb cpc cpe cpm cpp cpr cpt cpu cra crb crc cre crm crp crr crt cru cta ctb ctc cte ctm ctp ctr ctt ctu cua cub cuc cue cum cup cur cut cuu eaa eab eac eae eam eap ear eat eau eba ebb ebc ebe ebm ebp ebr ebt ebu ec- eca ecb ecc ece ecm ecr ect ecu eea eeb eec eee eem eep eer eet em- ema emb emc eme emm emp emr emt emu ep- epa epb epc epe epm epp epr ept epu era erb erc ere erm erp err ert eru eta etb etc ete etm etp etr ett etu eu- eua eub euc eue eup eur eut m-r maa mab mac mae mam map mar mat mau mba mbb mbc mbe mbm mbp mbr mbt mbu mc- mca mcb mcc mce mcm mcp mcr mct mcu mea meb mec mee mem mep mer met meu mma mmb mmc mme mmm mmp mmr mmt mmu mpa mpb mpc mpe mpm mpp mpr mpt mpu mra mrb mrc mre mrm mrp mrr mrt mru mta mtb mtc mte mtm mtp mtr mtt mtu mua mub muc mue mum mup mur mut muu p-p paa pab pac pae pam pap par pat pau pba pbb pbc pbe pbm pbp pbr pbt pbu pca pcb pcc pce pcm pcp pcr pct pcu pea peb pec pee pem pep per pet peu pma pmb pmc pme pmm pmp pmr pmt pmu ppa ppb ppc ppe ppm ppp ppr ppt ppu pra prb prc pre prm prp prr prt pru pt- pta ptb ptc pte ptm ptp ptr ptt ptu pua pub puc pue pum pup pur put puu ra- raa rab rac rae ram rap rar rat rau rba rbb rbc rbe rbm rbp rbr rbt rbu rca rcb rcc rce rcm rcp rcr rct rcu re- rea reb rec ree rem rep rer ret reu rma rmb rmc rme rmm rmp rmr rmt rpa rpb rpc rpe rpm rpp rpr rpt rpu rra rrb rrc rrm rrp rrr rrt rru rta rtb rtc rte rtm rtp rtr rtt rtu rua rub ruc rue rum rup rur rut ruu taa tab tac tae tam tap tar tat tau tba tbb tbc tbe tbm tbp tbr tbt tbu tca tcb tcc tce tcm tcp tcr tct tcu te- tea teb tec tee tem tep ter tet teu tma tmb tmc tme tmm tmp tmr tmt tmu tpa tpb tpc tpe tpm tpp tpr tpt tpu tra trb trc tre trm trp trr trt tru tta ttb ttc tte ttm ttp ttr ttt ttu tua tub tuc tue tum tup tur tut tuu ua- uaa uab uac uae uam uap uar uat uau uba ubb ubc ube ubp ubr ubt ubu uca ucb ucc uce ucm ucp ucr uct ucu uea ueb uec uee uem uep uer uet um- uma umb umc ume umm ump umr umt umu up- upa upb upc upe upm upp upr upt upu ur- ura urb urc ure urm urp urr urt uru uta utb utc ute utm utp utr utt utu uua uuc uue uum uur uut uuu