-ism bbbb bbbs bbdd bd-r bdii bdmi bdrm bdsd bdsm bibb bibi bibs bidi bidr bids bidu biis bims birb bird biri birr birs birt biru bis- bisd biss bist bisu bitd bits bitt bitu bmdb bmir bmmi bmts bmus brdm brds brdt brid brim bris brit brrm brrr brrs brsb brsr brst brud brum brus brut bsbd bsim bsms bsmt bsrd bsrm bssd bssm bsts btdt btrt btss bttb btus bubb bubi bubs bubu budb budd budi buds budu buid buir buis buit buiu bum- bumb bums bur- burb burd buri burm burr burs burt buru busi buss bust busu but- buti buts butt buus dbit dbms dbrs dbss dbtt dbus dddd ddss ddts ddub dibb dibs didi dids didu diii diis dimi dimm dims dimu dird dirr dirs dirt dis- disd disi diss dist diti dits ditt dius dmds dmdt dmrb dmss dmst dmts dmus drib drit drms drrs drub drui drum drus drut druu dsdm dsdr dsmb dsms dsri dsrr dssi dsst dsts dtss dub- dubb dubs dubu dudd duds dudu duid duir duis duit dumb dumi dumm dums duri durt duru dusi dust duts duur duut ibbm ibid ibim ibis ibms ibrd ibri ibss ibtb ibts ibus idbm iddm idid idir idis idms idss idts idub idus iiii iiis iiit iirs iisd iisi iism iisr iist iisu iitm iitr iitt iium imbi imdb imdi imds imdt imid imir imit immi imms immt imri imrr imsi imsr imss imst imsu imts imus irbm irds iri- irid iris irms irri irrs irti irts irus isbd isbt isdb isds isim isis isit ismi isms isri issi issr isss issu istd isti istr ists isum isus itbs itim itis itms itri itrs itsi itsu itum itur iuds iuiu iums iusd iuss iust mbbs mbdb mbim mbis mbms mbrs mbus mddm mdds mdii mdis mdsd mdst mdud mibs mid- midi mids miii miis miit mim- mimd mimi mims mird miri mirr mirs mirt miru mis- misd misi misr miss mist misu mit- mitb miti mitm mits mitt mitu miui mmdb mmdi mmds mmii mmis mmmd mmmm mmms mmsd mmst mmsu mmts mmus mrbb mrbm mrbs mrdd mrds mris mrmd mrsd mrsi mrtm mrts mrtt mrud msid msmb msmm msms msmu msrb msrt mssi mssm mssr msst mstr msts msud msus mtbd mtbs mtrr mtss mtst mttr mtts mubi mubs mudd mudi muds mudu muid muir muis muit mumm mums mumu murd muri murr murs murt muru musd musi muss must musu muti muts mutt mutu muut rbbb rbbr rbbs rbds rbis rbms rbsd rbss rbst rdbm rdms rib- ribs ribu ridd ridi rids riis rimi rimm rims rimu riri rirs risd risi rism riss rist risu riti rits ritt ritu rius rmbs rmst rmtu rrrr rrum rsbi rsdd rsds rsid rsis rsts rstu rsum rtdt rtmi rtms rtss rtts rubb rubi rubs rubu rudd rudi ruds ruid ruis ruit rumb rumi rumm rums rumt rurd ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruud s-ib s-ii sbbs sbds sbsd sbsi sbst sbus sdds sdib sdms sdrs sdsm sdss sdsu sdtm sibi sibs sibu sidd sidi sidr sids siim siit simd simi simm sims simt siri sirr sirs sirt siru sisd sisi siss sist sisu sit- sitd siti sits sitt situ siui sium sius siut smdr smid smis smit smrt smsd smss smtd smti smtu smur smus smut srib srim sris srsd srtr srub ssbr ssdd ssdm ssid ssis ssit ssri ssrm ssrs sssb sssi sssm ssss sstb sstd ssts stbd stbs stdm stds stib stid stim stir stis stit stms stmt strd stri strs stru stsi stsm stss sttd sttr stub stud stum stur stus stut sub- subb subd subi subm subs sudd sudi suds suid suir suis suit sum- sumd sumi sums sumu sur- surd suri surr surs surt suru sus- susd susi suss sust susu suti sutu suum suus tbbs tbit tbrb tbst tddb tdis tdmi tdri tdss tibi tibs tibu tidd tids tiit tiiu timi timm tims timu tirb tird tiri tirr tirs tiru tisb tisi tism tiss tist titi tits titt titu tium tmbr tmsi tmtt tri- trib trim tris trit trmb trmd trmi trms trmu trsd trsi trst trtr trub trud trus trut truu tsbd tsdb tsid tsis tssi tssm tssr tsst tstm tsts tsui tsum ttbb ttim ttms ttss tttt tubb tubr tubs tubu tudi tudu tuim tuis tuit tuiu tumb tumi tums tumu turb turd turi turm turr turs turt turu tusd tusi tusm tuss tust tuti tuts tutt tutu tuum ubbi ubid ubii ubir ubis ubit ubud uddi udds udid udim udir udsd udts uims uirr uisd uist uits umb- umbi umit umms umri umsu umts umus umut urbi urbs urds urdu urib urim uris uriu urmi urri ursi urss ursu urts urum urur urus urut usbr usbs usdm usds usdt usim usis usmd usmm usms ussb ussr usss usst ussu ustb usti ustm usts usui usus utid utis utmb utri utti uttu uuri uusi uuuu