-er bbb bbe bbf bbm bbr bbs bbt be- beb bee bef bem ber bes bet bfb bfe bff bfm bfr bfs bft bmb bme bmf bmm bmr bms bmt brb bre brf brm brr brs brt bsb bse bsf bsm bsr bss bst btb bte btf btm btr bts btt ebb ebe ebf ebm ebr ebs ebt eeb eee eef eem eer ees eet ef- efb efe eff efm efr efs eft em- emb eme emf emm emr ems emt erb ere erf erm err ers ert es- esb ese esf esm esr ess est etb ete etf etm etr ets ett fbb fbe fbf fbm fbr fbs fbt feb fee fef fem fer fes fet ffe fff ffm ffr ffs fft fmb fme fmf fmm fmr fms fmt frb fre frf frm frr frs frt fsb fse fsf fsm fsr fss fst ftb fte ftf ftm ftr fts ftt m-f m-r mbb mbe mbf mbm mbr mbs mbt meb mee mef mem mer mes met mfb mfe mff mfm mfr mfs mft mmb mme mmf mmm mmr mms mmt mrb mre mrf mrm mrr mrs mrt msb mse msf msm msr mss mst mtb mte mtf mtm mtr mts mtt rbb rbe rbf rbm rbr rbs rbt re- reb ree ref rem rer res ret rfb rfe rff rfm rfr rfs rft rmb rme rmf rmm rmr rms rmt rrb rrf rrm rrr rrs rrt rsb rse rsf rsm rsr rss rst rtb rte rtf rtm rtr rts rtt sbb sbe sbf sbm sbr sbs sbt se- seb see sef sem ser ses set sfb sfe sff sfm sfr sfs sft smb sme smf smm smr sms smt sr- srb sre srf srm srr srs srt ss- ssb sse ssf ssm ssr sss sst stb ste stf stm str sts stt tbb tbe tbf tbm tbr tbs tbt te- teb tee tef tem ter tes tet tfb tfe tff tfm tfr tfs tft tmb tme tmf tmm tmr tms tmt trb tre trf trm trr trs trt tsb tse tsf tsm tsr tss tst ttb tte ttf ttm ttr tts ttt

bbbb bbbs bbeb bbet bebb bebe beeb beef beem beer bees beet befe beff beft beme bere berm berr bers bert bes- bese besm bess best bete bets bett bffs bfme bfsr bfts bftt bmts breb bree bref brem brer bres bret brfm brrm brrr brrs brsb brsr brst bseb bsee bser bses bset bsff bsfs bsms bsmt bsrm bsse bssm bsts btrt btss bttb ebbr ebbs eber ebes eeee eees eefe eems eers eese eete eets efbr efes efet effs efsm eft- efts embe embr embs emer emes emet emme emms emre emrs emse emst emte emts erbb erbe ereb erem erer eres eret erfs erft erme erms erre errs erse erst erts esbs esee esem eser eses eset esfs esme esmr esmt esse esst este estr ests etbr etee etem eter etes etfb etfe etre etrm ette fbrs febs feeb feem feer fees feet fefe feff femb feme femm fems ferb fere ferm ferr fers fert fese fess fest fete fetr fets fett ffee ffff ffrr ffss fftf fmsr fmss free frem fres fret frsb frsm frst fssf fter ftrs ftse ftsr mbbs mbes mbms mbrs mbsf mebe meef meem meer mees meet mefe meff meme memr mems mer- merb mere merf merm mers mert mes- mese mesr mess mest met- mete mets mett mfbm mfrs mfsb mftf mmes mmff mmmm mmms mmrf mmse mmst mmts mrbb mrbm mrbs mreb mree mres mrse mrtm mrts mrtt msee msem msff msfs msft msmb msmm msms msrb msrt mssf mssm mssr msst mstr msts mtbs mtff mtre mtrr mtss mtst mttr mtts rbbb rbbr rbbs rbms rbss rbst rebb rebe rebs reeb reef reem rees reet refe reff refr refs reft reme rems rere rers rert rese ress rest rete retr rets rett rfef rfem rmbs rmst rrrr rsee rsme rsre rsts rtbf rtee rtes rtfb rtfm rtms rtss rtts sbbs sbef sber sbse sbst se-e se-f se-s se-t sebe sebs sebt seeb seef seem seer sees seet seff seft seme sems serb sere serf serm serr sers sert sese sess sest set- sete setf sets sett sfer sfmm sfss sfts smbe smbf smeb smee smet smrf smrt smss smte sreb srem sres srtr ssbr ssee ssem sses sset ssrm ssrs sssb sssf sssm ssss sstb ssts stbs stee stef stem ster stes stet stms stmt stre strs stsf stsm stss sttr tbbs tbrb tbst teef teem teer tees teet teff teft teme tems ter- tere terf term terr ters tese tess test tete tetr tets tett tfeb tfrs tfss tmbr tmtt tre- tree tref trem tres tret trfm trfr trmb trms trst trte trtr tses tset tsfm tsse tssf tssm tssr tsst tstm tsts ttbb tter ttff ttms ttss tttt

-tree bbbee bbser be-er beber bebes beebe beebs beefs beeft beers beest beete beets beffe bembe bemer bemet berbe beres beret berme berms berre berse berte berts besee besem beset besme besse beste bests betee beter betes betre betrs bett- bette betts bmfms bmrst breef breem breer brees breet breme bremm brems brere brers brese bress brest brets brett brmmm brrrr btr-t btrfs bttms ebber ebbet ebers ebert eeeee ef-ts efere efetf effer effet effts efrem efter embee ember emeer emere emert emese emmer emmet emtee erbbe erber erebs erem- erere erest erets ermes erres erses erste ersts erte erter ertes esere esmes esref esser esses essse estee ester estes estet estre etest etete etree etres etter ettes febre feebs feeme feere feers feese feets femes femme feres feret ferme ferr- ferre ferse ferte feser fesse fest- feste fests feter fetes fette freer frees freet freme fremm frere frese fress frest frets frett ftest ftmts ftrtt m-set mbebe mbere mbres mbret mebbe meees meefe meems meere meers meese meest meete meets meffs membe memer memes merer meres meret merms merre merse merss merte mesee mesem meses messe meste meter metes metr- metre metse mette metts mmfbm