-er b-u bbb bbe bbm bbq bbr bbs bbt bbu be- beb bee bem beq ber bes bet beu bmb bme bmm bmq bmr bms bmt bmu bqe bqt brb bre brm brq brr brs brt bru bsb bse bsm bsr bss bst bsu btb bte btm btq btr bts btt btu bub bue bum bur bus but buu ebb ebe ebm ebq ebr ebs ebt ebu eeb eee eem eer ees eet em- emb eme emm emr ems emt emu eqe eqq eqs eqt equ erb ere erm erq err ers ert eru es- esb ese esm esq esr ess est esu etb ete etm etr ets ett etu eu- eub eue eur eus eut m-r mbb mbe mbm mbq mbr mbs mbt mbu meb mee mem meq mer mes met meu mmb mme mmm mmr mms mmt mmu mqb mqr mqt mrb mre mrm mrq mrr mrs mrt mru msb mse msm msq msr mss mst msu mtb mte mtm mtr mts mtt mtu mub mue mum mur mus mut muu qbe qbq qbs qee qem qet qme qmr qms qmu qqq qqu qrb qre qrm qrs qrt qru qsm qsr qst qtm qtq qtr qts qu- que qum qur qus qut rbb rbe rbm rbr rbs rbt rbu re- reb ree rem req rer res ret reu rmb rme rmm rmq rmr rms rmt rqm rqs rrb rrm rrq rrr rrs rrt rru rsb rse rsm rsq rsr rss rst rsu rtb rte rtm rtq rtr rts rtt rtu rub rue rum rur rus rut ruu sbb sbe sbm sbq sbr sbs sbt sbu se- seb see sem seq ser ses set seu smb sme smm smr sms smt smu sqm sqq sqr sqs sr- srb sre srm srq srr srs srt ss- ssb sse ssm ssq ssr sss sst ssu stb ste stm stq str sts stt stu sub sue sum suq sur sus sut suu tbb tbe tbm tbr tbs tbt tbu te- teb tee tem teq ter tes tet teu tmb tme tmm tmq tmr tms tmt tmu tqm trb tre trm trq trr trs trt tru tsb tse tsm tsq tsr tss tst tsu ttb tte ttm ttr tts ttt ttu tub tue tum tur tus tut tuu ubb ube ubr ubs ubt ubu ueb uee uem uer ues uet um- umb ume umm umr ums umt umu ur- urb ure urm urr urs urt uru usb use usm usr uss ust usu utb ute utm utr uts utt utu uue uum uur uus uut uuu

bbbb bbbq bbbs bbeb bbet bbqs bebb bebe beeb beem beer bees beet beme bemu bere berm berr bers bert beru bes- bese besm bess best bete bets bett betu beur bmts bmus bqms bque breb bree brem brer bres bret brrm brrr brrs brsb brsr brst brue brum brus brut bseb bsee bser bses bset bsms bsmt bsrm bsse bssm bsts btrt btss bttb btus bubb bube bubq bubs bubu buem buer bueu bum- bumb bums bur- burb bure burm burr burs burt buru buse buss bust busu but- bute buts butt buus ebbr ebbs eber ebes ebru ebur ebus eeee eees eems eers eese eete eets eetu embe embr embs emer emes emet emeu emme emms emmu emre emrs emse emst emte emts emus equ- eque equs erbb erbe ereb erem erer eres eret erme erms erre errs erse erst erts ertu erub erum erur erus esbs esee esem eser eses eset esme esmr esmt esqr esqs esse esst essu este estr ests esus etbr etee etem eter etes etre etrm etsu ette ettu euer eums eur- eure eurt euse mbbs mbes mbms mbrs mbus mebe meem meer mees meet meme memr mems memu mer- merb mere merm merq mers mert meru mes- mese mesr mess mest met- mete mets mett metu meum meus mmes mmmm mmms mmse mmst mmsu mmts mmus mqtt mque mrbb mrbm mrbs mreb mree mres mrqe mrse mrtm mrts mrtt msee msem msmb msmm msms msmu msrb msrt mssm mssr msst mstr msts msus mtbs mtre mtrr mtss mtst mttr mtts mube mubs muee mues muet mume mumm mums mumu mure murr murs murt muru muse muss must musu mute muts mutt mutu muut q-be qemm qemu qere qerq qest qqqq qrss qrst qsqs qsqt qsrs qtrs qube quee quem quer ques quet qume qurm qust qutb qute quu- rbbb rbbr rbbs rbms rbss rbst rebb rebe rebs rebu reeb reem rees reet reme rems reqs rere rers rert reru rese resq ress rest rete retr rets rett reue reus reut reuu rmbs rmst rmtu rrrr rrum rsee rsme rsre rsts rstu rsum rtee rtes rtms rtss rtts rubb rube rubs rubu ruer rues ruet rumb rume rumm rums rumt rure rurs ruru ruse russ rust rusu rute ruts rutt rutu sbbs sber sbse sbst sbus se-e se-s se-t se-u sebe sebs sebt seeb seem seeq seer sees seet seeu seme sems semu seqq seqs sequ serb sere serm serq serr sers sert seru sese sess sest set- sete sets sett seur smbe smeb smee smet smrt smss smte smtu smur smus smut sqms sqrt sreb srem sres srtr srub ssbr ssee ssem sses sset ssrm ssrs sssb sssm ssss sstb ssts stbs stee stem ster stes stet stms stmt stre strs stru stsm stss sttr stub stue stum stur stus stut sub- subb subm subs suee suer sues suet sueu sum- sume sums sumu suqs sur- sure surr surs surt suru sus- suse suss sust susu sute sutu suum suus tbbs tbrb tbst tebu teem teer tees teet teme tems temu ter- tere term terr ters teru tese tess test tete tetr tets tett tetu teut tmbr tmtt tre- tree trem tres tret treu trmb trms trmu trst trte trtr trub true trus trut truu tses tset tsse tssm tssr tsst tstm tsts tsum ttbb tter ttms ttss tttt tubb tube tubr tubs tubu tuer tues tuet tumb tume tums tumu turb ture turm turr turs turt turu tusm