-ism bbbb bbbs bbeb bebb bebe bebi beeb beem beer bees beim beir beis beme bemu bere beri berm berr bers beru bes- bese besm bess beur bibb bibe bibi bibs bieb bier bies bieu biis bims birb bire biri birr birs biru bis- bise biss bisu bmir bmmi bmus breb bree brei brem brer bres brie brim bris brrm brrr brrs brsb brsr brue brum brus bseb bsee bser bses bsim bsms bsrm bsse bssm bubb bube bubi bubs bubu buem buer bueu buie buir buis buiu bum- bumb bums bur- burb bure buri burm burr burs buru buse busi buss busu buus ebbr ebbs eber ebes ebis ebru ebur ebus eeee eees eems eers eese eesi eiei eier eies eime eimi eims eire eirs eise eiss embe embi embr embs emer emes emeu emii emim emir emis emme emmi emms emmu emre emrs emse emus erbb erbe ereb erei erem erer eres erie erim eris eriu erme erms erre errs erse ersi erub erum erur erus esbs esee esem eser eses esie esis esme esmr esri esse essi essu esui esus eubi euer eums eur- eure euse i-be ibbm ibes ibie ibim ibis ibms ibri ibss ibus ieie ieme iems iere ieri iers iesi iesr iesu iies iiie iiii iiis iirs iisi iism iisr iisu iium imbe imbi imer imes imir imme immi imms imre imri imrr imsi imsr imss imsu imue imus irbe irbm iree irem irer ires iri- irie iris irms irre irri irrs irse irus isbe iseb isee iser ises isie isim isis isme ismi isms isri isse issi issr isss issu isum isus iuiu iums iuse iuss mbbs mbes mbim mbis mbms mbrs mbus mebe meem meer mees meir meis meme memr mems memu mer- merb mere meri merm mers meru mes- mese mesi mesr mess meum meus mibs miee miem mier mies mieu miii miis mim- mime mimi mims mire miri mirr mirs miru mis- mise misi misr miss misu miui mmes mmii mmis mmmm mmms mmse mmsu mmus mrbb mrbm mrbs mreb mree mres mris mrse mrsi msee msem msmb msmm msms msmu msrb mssi mssm mssr msus mube mubi mubs muee mues muie muir muis mume mumm mums mumu mure muri murr murs muru muse musi muss musu rbbb rbbr rbbs rbis rbms rbss rebb rebe rebs rebu reeb reem rees reii reim reir reis reiu reme remi rems rere reri rers reru rese resi ress reue reus reuu rib- ribe ribs ribu riem rier ries rieu riis rime rimi rimm rims rimu rire riri rirs rise risi rism riss risu riue rius rmbs rrrr rrum rsbi rsee rsis rsme rsre rsum rubb rube rubi rubs rubu ruer rues ruis rumb rume rumi rumm rums rure ruri rurs ruru ruse rusi russ rusu s-ib s-ii sbbs sber sbse sbsi sbus se-e se-i se-s se-u sebe sebi sebs seeb seem seer sees seeu seie seii seim seir seis seiu seme semi sems semu serb sere seri serm serr sers seru sese sesi sess seui seur sibe sibi sibs sibu sier sies siim sime simi simm sims sire siri sirr sirs siru sise sisi siss sisu siue siui sium sius smbe smeb smee smei smie smis smss smur smus sreb srem sres srib srim sris srub ssbr ssee ssem sses ssis ssri ssrm ssrs sssb sssi sssm ssss sub- subb subi subm subs suee suer sues sueu suie suir suis sum- sume sumi sums sumu sur- sure suri surr surs suru sus- suse susi suss susu suum suus u-ie ubbe ubbi uber ubii ubir ubis ueir uers uess uies uims uirr uise umb- umbe umbi umer umes umms umri umsu umus urbe urbi urbs ure- ures urib urie urim uris uriu urmi urre urri urse ursi urss ursu urum urur urus usbe usbr usbs usee user uses usie usim usis usme usmm usms ussb usse ussr usss ussu usui usus uuri uusi uuuu