-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 beux bibb bibe bibi bibs bieb bier bies bieu biis bims bimx birb bire biri birr birs biru birx bis- bise biss bisu bixi bmir bmmi bmus breb bree brei brem brer bres brex brie brim bris brix brrm brrr brrs brsb brsr brue brum brus brux bseb bsee bser bses bsim bsix bsms bsrm bsse bssm bubb bube bubi bubs bubu buem buer bueu buie buir buis buiu buix bum- bumb bums bur- burb bure buri burm burr burs buru buse busi buss busu busx buus ebbr ebbs eber ebes ebis ebix 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 emex emii emim emir emis emix emme emmi emms emmu emre emrs emse emus er-x 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 exer exes exim exis exmr exrx exum i-be ibbm ibes ibex ibie ibim ibis ibms ibmx 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 imix imme immi imms imre imri imrr imsi imsr imss imsu imsx imue imus irbe irbm iree irem irer ires irex iri- irie iris irix irms irre irri irrs irse irus isbe isbx iseb isee iser ises isie isim isis isme ismi isms isri isse issi issr isss issu isum isus iuiu iums iuse iuss ixxi mbbs mbes mbim mbis mbms mbrs mbus mebe meem meer mees meir meis meme memr mems memu memx mer- merb mere meri merm mers meru mes- mese mesi mesr mess meum meus meux mexx mibs miee miem mier mies mieu miii miis mim- mime mimi mims mire miri mirr mirs miru mis- mise misi misr miss misu miui mixe mixi mixx mmes mmii mmis mmix mmmm mmms mmse mmsu mmus mmxi mmxx mrbb mrbm mrbs mreb mree mres mris mrse mrsi msee msem msex 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 muxe muxi muxu mxii mxim mxxi rbbb rbbr rbbs rbis rbms rbmx 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 reux rexx rib- ribe ribs ribu riem rier ries rieu riex riis rime rimi rimm rims rimu rire riri rirs rise risi rism riss risu riue rius rixe rmbs rrrr rrum rsbi rsee rsis rsme rsmx rsre rsum rubb rube rubi rubs rubu ruer rues ruis rumb rume rumi rumm rums rure ruri rurs ruru ruse rusi russ rusu rxes s-ib s-ii sbbs sber sbse sbsi sbus se-e se-i se-s se-u se-x sebe sebi sebs seeb seem seer sees seeu seex seie seii seim seir seis seiu seix seme semi sems semu serb sere seri serm serr sers seru sese sesi sess seui seur seux sex- sexe sexi sibe sibi sibs sibu sier sies siex siim sime simi simm sims sire siri sirr sirs siru sise sisi siss sisu siue siui sium sius sixe sixx smbe smeb smee smei smie smis smss smur smus sreb srem sres srib srim sris srub ssbr ssee ssem sses ssex 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 sux- suxe u-ie ubbe ubbi uber ubii ubir ubis ueir uers uess uies uims uimx uirr uise umb- umbe umbi umer umes umms umri umsu umus urbe urbi urbs ure- ures urex urib urie urim uris uriu urix urmi urre urri urse ursi urss ursu urum urur urus usbe usbr usbs usee user uses usie usim usis usix usme usmm usms ussb usse ussr usss ussu usui usus uuri uusi uuuu uxem uxue uxus xbee xeer xeme xemu xer- xers xeus xexe xibe xibu xiii xisi xixi xmii xmms xuri xurs xuxu xxii xxix xxxi xxxx