-ism bbbb bbbs bbin bibb bibi bibs biin biis bims bin- bini binn bins bint binu birb biri birn birr birs birt biru bis- biss bist bisu bits bitt bitu bmir bmmi bmts bmus bnib bnim bnin bnrr bnss bntm brim brin bris brit brns brrm brrr brrs brsb brsr brst brum brun brus brut bsim bsin bsms bsmt bsns bsrm bssm bsts btrt btss bttb btus bubb bubi bubs bubu buin buir buis buit buiu bum- bumb bums bunb buni bunn buns bunt bunu bur- burb buri burm burn burr burs burt buru busi buss bust busu but- buti buts butt buus ibbm ibim ibis ibms ibns ibri ibsn ibss ibtb ibts ibus iiii iiis iiit iinm iirs iisi iism iisr iist iisu iitm iitr iitt iium imbi imin imir imit immi imms immt imri imrr imsi imsr imss imst imsu imts imun imus inis init inni innr inns innu inri inrs inss inst insu inti intn intr ints intu inui inun inus irbm iri- irin iris irms irri irrs irti irts irun irus isbn isbt isim isin isis isit ismi isms isnt isri issi issr isss issu isti istr ists isum isus itbs itim itin itis itms itri itrs itsi itsu itum itur iuiu iums iuss iust mbbs mbim mbis mbms mbrs mbus mibs miii miin miis miit mim- mimi mims mini minn mins mint minu miri mirr mirs mirt miru mis- misi misn misr miss mist misu mit- mitb miti mitm mits mitt mitu miui mmii mmis mmmm mmms mmst mmsu mmts mmun mmus mnbb mnin mnis mntb mntn mrbb mrbm mrbs mris mrsi mrtm mrtn mrts mrtt msmb msmm msms msmu msrb msrt mssi mssm mssr msst mstr msts msun msus mtbs mtns mtnt mtrr mtss mtst mttr mtts mubi mubs muin muir muis muit mumm mums mumu muni munn muns munt munu muri murn murr murs murt muru musi muss must musu muti muts mutt mutu muut n-ii nbti nibi nibm nibs niir niit niiu nimb nimi nimr nims nimt nimu nini nins nirs nirt niru nisi niss nist nisu nitb niti nitr nits niur nmis nmit nmnt nmri nmtb nnit nnmt nnnn nnss nntn nrts nsbm nsin nsis nsmb nsnr nssb nssr nsss nsts nstu nsub ntis ntnu ntru ntsb ntss ntsu nttm nttr ntui nubi nubs nuim nuin nuit numb numi numm nums numt numu nunn nuns nunt nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu rbbb rbbr rbbs rbis rbms rbss rbst rib- ribs ribu riin riis rimi rimm rims rimu rinn riri rirs risi rism riss rist risu riti rits ritt ritu rius rmbs rmst rmtu rnbr rnin rnnt rnut rrrr rrum rrun rsbi rsis rsnn rsnr rsts rstu rsum rtmi rtms rtns rtss rtts rubb rubi rubs rubu ruin ruis ruit rumb rumi rumm rums rumt runi runn runs runt ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun s-ib s-ii sbbs sbsi sbst sbtn sbus sibi sibs sibu siim siit simi simm sims simt sini sinn sins sint sinu siri sirr sirs sirt siru sisi siss sist sisu sit- siti sitn sits sitt situ siui sium sius siut smin smis smit smrt smsn smss smti smtn smtu smur smus smut snib snir snit snns snrs sntr snub snum snur snus srib srim sris srni srnn srtr srub ssbn ssbr ssin ssis ssit ssns ssri ssrm ssrs sssb sssi sssm ssss sstb ssts stbs stib stim stir stis stit stms stmt stnn stnr stns stri strn strs stru stsi stsm stss sttr stub stum stun stur stus stut sub- subb subi subm subs suin suir suis suit sum- sumi sums sumu sun- sunb suni sunn suns sunt sunu sur- suri surn surr surs surt suru sus- susi suss sust susu suti sutu suum suus tbbs tbit tbrb tbst tibi tibs tibu tiit tiiu timi timm timn tims timu tini tinn tins tint tinu tirb tiri tirr tirs tiru tisb tisi tism tiss tist titi tits titt titu tium tmbr tmnt tmsi tmtt tnts tnut tri- trib trim trin tris trit trmb trmi trms trmu trsi trst trtr trub trun trus trut truu tsin tsis tssi tssm tssr tsst tstm tsts tsui tsum tsun ttbb ttim ttms ttss tttt tubb tubr tubs tubu tuim tuin tuis tuit tuiu tumb tumi tums tumu tunb tuni tunn tuns tunu turb turi turm turn turr turs turt turu tusi tusm tuss tust tuti tuts tutt tutu tuum ubbi ubii ubir ubis ubit uims uint uirr uist uits umb- umbi umit umms umri umsu umts umus umut uni- unii unin unir unis unit unmr unni unns unrs uns- unst untb unts unum unus unut urbi urbs urib urim urin uris uriu urmi urni urns urri ursi urss ursu urts urum urun urur urus urut usbr usbs usim usin usis usmm usms usnr usnu ussb ussr usss usst ussu ustb usti ustm usts usui usun usus utin utis utmb utri utti uttu uuni uuri uusi uuuu