-ism bbbb bbbs bbeb bbet bebb bebe bebi beeb beef beem beer bees beet befe beff beft beim beir beis beit beme bemu bere beri berm berr bers bert beru bes- bese besm bess best bete beti bets bett betu beur bffs bfme bfsi bfsr bfts bftt bibb bibe bibi bibs bieb bief bier bies biet bieu biff bifi biis bims birb bire biri birr birs birt biru bis- bise biss bist bisu bite bits bitt bitu bmir bmmi bmts bmus breb bree bref brei brem brer bres bret brfm brfu brie brim bris brit brrm brrr brrs brsb brsr brst brue brum brus brut bseb bsee bser bses bset bsff bsfs bsim bsms bsmt bsrm bsse bssm bsts btie btrt btss bttb btus bubb bube bubi bubs bubu buem buer bueu bufe buff bufr buie buif buir buis buit buiu bum- bumb bumf bums bur- burb bure buri burm burr burs burt buru buse busi buss bust busu but- bute buti buts butt buus ebbr ebbs eber ebes ebis ebit ebru ebur ebus eeee eees eefe eems eers eese eesi eete eets eetu efbr efes efet effi effs efit efmi efsi efsm eft- efts eftu eiei eier eies eifs eime eimi eims eire eirs eise eiss eist eitb eiti eitm eitr embe embi embr embs emer emes emet emeu emii emim emir emis emit emme emmi emms emmu emre emrs emse emst emte emts emus erbb erbe ereb erei erem erer eres eret erfs erft erie erim eris erit eriu erme erms erre errs erse ersi erst erts ertu erub erum erur erus esbs esee esem eser eses eset esfs esie esis esit esme esmr esmt esri esse essi esst essu este estr ests esuf esui esus etbr etee etem eter etes etfb etfe etim etre etrm etsi etsu ette etti ettu etui eubi euer eufi eums eur- eure eurt euse fbis fbrs fbus febs feeb feem feer fees feet fefe feff fefi feie feir feis feit femb feme femi femm fems ferb fere ferm ferr fers fert feru fese fess fest fete feti fetr fets fett fetu feus ffee ffff ffii ffrr ffss fftf fibe fibs fief fier fies fife fiff fifi fifm fift fiii fime fimr fire firm firs fise fisi fism fiss fist fisu fite fiti fits fitt fmri fmsr fmss free frei frem fres fret frib frie frim fris frit frsb frsm frst frub frue frum fsfi fsim fssf fter ftii ftrs ftse ftsr ftub fubb fubs fubu fuet fuff fufu fuir fuit fume fumi fums fur- fure furi furm furr furs furt fuse fusi fuss fust fusu fute futi futs futu i-be ibbm ibes ibet ibfi ibie ibim ibis ibms ibri ibsf ibss ibtb ibts ibus ieet ieie ieme iems iere ieri iers iesi iesr iest iesu ietf ietm iett ifbb ifer ifes ifim ifis ifit ifrb ifrf ifri ifsb iies iiie iiii iiis iiit iirs iisi iism iisr iist iisu iitm iitr iitt iium imbe imbi imer imes imet imfi imir imit imme immi imms immt imre imri imrr imsf imsi imsr imss imst imsu imts imue imus irbe irbm iree irem irer ires irfe irfm irfu iri- irie iris irms irre irri irrs irse irsf irte irtf irti irts irus isbe isbt iseb isee iser ises iset isie isim isis isit isme ismi isms isri isse issf issi issr isss issu iste isti istr ists isum isus itbe itbs item iter ites itet itie itif itim itis itme itms itrf itri itrs itse itsf itsi itsu ittf itum itur iuef iuiu iums iuse iuss iust mbbs mbes mbim mbis mbms mbrs mbsf mbus mebe meef meem meer mees meet mefe meff mefi meir meis meit meme memr mems memu mer- merb mere merf meri merm mers mert meru mes- mese mesi mesr mess mest met- mete meti mets mett metu meum meus mfbm mfri mfrs mfsb mftf mibs miee miem mier mies miet mieu miff mifi miii miis miit mim- mime mimi mims mire miri mirr mirs mirt miru mis- mise misi misr miss mist misu mit- mitb mite miti mitm mits mitt mitu miui mmes mmff mmii mmis mmmm mmms mmrf mmse mmst mmsu mmts mmus mrbb mrbm mrbs mreb mree mres mris mrse mrsi mrtm mrts mrtt msee msem msff msfs msft msmb msmm msms msmu msrb msrt mssf mssi mssm mssr msst mstr msts msus mtbs mtff mtre mtrr mtss mtst mttr mtts mube mubi mubs muee mues muet muff mufi mufu muie muir muis muit mume mumm mums mumu mure muri murr murs murt muru muse musi muss must musu mute muti muts mutt mutu muut rbbb rbbr rbbs rbis rbms rbss rbst rebb rebe rebs rebu reeb reef reem rees reet refe reff refi refr refs reft refu reif reii reim reir reis reit reiu reme remi rems rere reri rers rert reru rese resi ress rest rete reti retr rets rett reue reuf reus reut reuu rfef rfem rib- ribe ribs ribu rief riem rier ries riet rieu rife riff rifs rift rifu riif riis rime rimi rimm rims rimu rire riri rirs rise risi rism riss rist risu rite riti rits ritt ritu riue rius rmbs rmif rmst rmtu rrif rrrr rrum rsbi rsee rsis rsme rsre rsts rstu rsum rtbf rtee rtei rtes rtfb rtfm rtmi rtms rtss rtts rubb rube rubi rubs rubu ruer rues ruet rufe ruff ruft ruif ruis ruit rumb rume rumi rumm rums rumt rure ruri rurs ruru ruse rusi russ rust rusu rute ruti ruts rutt rutu s-ib s-ii sbbs sbef sber sbse sbsi sbst sbus se-e se-f se-i se-s se-t se-u sebe sebi sebs sebt seeb seef seem seer sees seet seeu seff sefi seft seie seif seii seim seir seis seit seiu seme semi sems semu serb sere serf seri serm serr sers sert seru sese sesi sess sest set- sete setf seti sets sett seui seur sfer sfmm sfss sfsu sfts sibe sibi sibs sibu sief sier sies sife siff sifr sift sifu siim siit