-er -up a-a a-b a-c a-t aaa aab aac aae aam aan aap aar aas aat aau ab- aba abb abc abe abm abn abp abr abs abt abu ac- aca acb acc ace acm acn acp acr acs act acu aea aeb aec aee aem aen aep aer aes aet aeu ama amb amc ame amm amn amp amr ams amt amu an- ana anb anc ane anm ann anp anr ans ant anu ap- apa apb apc ape apm apn app apr aps apt apu ar- ara arb arc are arm arn arp arr ars art aru as- asa asb asc ase asm asn asp asr ass ast asu at- ata atb atc ate atm atn atp atr ats att atu au- aua aub auc aue aum aun aup aur aus aut b-p b-u baa bab bac bae bam ban bap bar bas bat bau bba bbb bbc bbe bbm bbn bbp bbr bbs bbt bbu bca bcb bcc bce bcm bcn bcp bcr bcs bct bcu be- bea beb bec bee bem ben bep ber bes bet beu bma bmb bmc bme bmm bmn bmp bmr bms bmt bmu bna bnb bnc bne bnn bnp bnr bns bnt bnu bpa bpb bpc bpe bpm bpn bpp bpr bps bpt bpu bra brb bre brm brn brp brr brs brt bru bsa bsb bsc bse bsm bsn bsp bsr bss bst bsu bta btb btc bte btm btn btp btr bts btt btu bua bub buc bue bum bun bup bur bus but buu c-- caa cab cac cae cam can cap car cas cat cau cba cbb cbc cbe cbm cbn cbp cbr cbs cbt cbu cca ccb ccc cce ccm ccn ccp ccr ccs cct ccu ce- cea ceb cec cee cem cen cep cer ces cet ceu cma cmb cmc cme cmm cmn cmp cmr cms cmt cmu cn- cna cnb cnc cne cnm cnn cnp cnr cns cnt cnu cpa cpb cpc cpe cpm cpn cpp cpr cps cpt cpu cra crb crc cre crm crn crp crr crs crt cru csa csb csc cse csm csn csp csr css cst csu cta ctb ctc cte ctm ctn ctp ctr cts ctt ctu cua cub cuc cue cum cun cup cur cus cut cuu eaa eab eac eae eam ean eap ear eas eat eau eba ebb ebc ebe ebm ebn ebp ebr ebs ebt ebu ec- eca ecb ecc ece ecm ecn ecr ecs ect ecu eea eeb eec eee eem een eep eer ees eet em- ema emb emc eme emm emn emp emr ems emt emu en- ena enb enc ene enm enn enp enr ens ent enu ep- epa epb epc epe epm epn epp epr eps ept epu era erb erc ere erm ern erp err ers ert eru es- esa esb esc ese esm esn esp esr ess est esu eta etb etc ete etm etn etp etr ets ett etu eu- eua eub euc eue eun eup eur eus eut m-r maa mab mac mae mam man map mar mas mat mau mba mbb mbc mbe mbm mbp mbr mbs mbt mbu mc- mca mcb mcc mce mcm mcn mcp mcr mcs mct mcu mea meb mec mee mem men mep mer mes met meu mma mmb mmc mme mmm mmn mmp mmr mms mmt mmu mna mnb mnc mne mnm mnn mnp mnr mns mnt mnu mpa mpb mpc mpe mpm mpn mpp mpr mps mpt mpu mra mrb mrc mre mrm mrn mrp mrr mrs mrt mru msa msb msc mse msm msn msp msr mss mst msu mta mtb mtc mte mtm mtn mtp mtr mts mtt mtu mua mub muc mue mum mun mup mur mus mut muu naa nab nac nae nam nan nap nar nas nat nau nba nbb nbc nbe nbm nbn nbp nbr nbs nbt nbu nca ncb ncc nce ncm ncn ncp ncr ncs nct ncu ne- nea neb nec nee nem nen nep ner nes net neu nma nmb nmc nme nmm nmn nmp nmr nms nmt nmu nna nnb nnc nne nnm nnn nnp nns nnt nnu npa npb npc npe npm npn npp npr nps npt npu nra nrb nrc nre nrm nrn nrp nrr nrs nrt nru nsa nsb nsc nse nsm nsn nsp nsr nss nst nsu nta ntb ntc nte ntm ntn ntp ntr nts ntt ntu nua nub nuc nue num nun nup nur nus nut nuu p-p paa pab pac pae pam pan pap par pas pat pau pba pbb pbc pbe pbm pbn pbp pbr pbs pbt pbu pca pcb pcc pce pcm pcn pcp pcr pcs pct pcu pea peb pec pee pem pen pep per pes pet peu pma pmb pmc pme pmm pmn pmp pmr pms pmt pmu pn- pna pnb pnc pne pnm pnn pnp pnr pns pnt pnu ppa ppb ppc ppe ppm ppn ppp ppr pps ppt ppu pra prb prc pre prm prn prp prr prs prt pru ps- psa psb psc pse psm psn psp psr pss pst psu pt- pta ptb ptc pte ptm ptn ptp ptr pts ptt ptu pua pub puc pue pum pun pup pur pus put puu ra- raa rab rac rae ram ran rap rar ras rat rau rba rbb rbc rbe rbm rbn rbp rbr rbs rbt rbu rca rcb rcc rce rcm rcn rcp rcr rcs rct rcu re- rea reb rec ree rem ren rep rer res ret reu rma rmb rmc rme rmm rmn rmp rmr rms rmt rna rnb rnc rnm rnn rnp rnr rns rnt rnu rpa rpb rpc rpe rpm rpn rpp rpr rps rpt rpu rra rrb rrc rrm rrn rrp rrr rrs rrt rru rsa rsb rsc rse rsm rsn rsp rsr rss rst rsu rta rtb rtc rte rtm rtn rtp rtr rts rtt rtu rua rub ruc rue rum run rup rur rus rut ruu saa sab sac sae sam san sap sar sas