-ism bbbb bbbs bbin bibb bibi bibs biin biis bims bin- bini binn bins binu birb biri birn birr birs biru bis- biss bisu bmir bmmi bmus bnib bnim bnin bnrr bnss brim brin bris brns brrm brrr brrs brsb brsr brum brun brus bsim bsin bsms bsns bsrm bssm bubb bubi bubs bubu buin buir buis buiu bum- bumb bums bunb buni bunn buns bunu bur- burb buri burm burn burr burs buru busi buss busu buus ibbm ibim ibis ibms ibns ibri ibsn ibss ibus iiii iiis iinm iirs iisi iism iisr iisu iium imbi imin imir immi imms imri imrr imsi imsr imss imsu imun imus inis inni innr inns innu inri inrs inss insu inui inun inus irbm iri- irin iris irms irri irrs irun irus isbn isim isin isis ismi isms isri issi issr isss issu isum isus iuiu iums iuss mbbs mbim mbis mbms mbrs mbus mibs miii miin miis mim- mimi mims mini minn mins minu miri mirr mirs miru mis- misi misn misr miss misu miui mmii mmis mmmm mmms mmsu mmun mmus mnbb mnin mnis mrbb mrbm mrbs mris mrsi msmb msmm msms msmu msrb mssi mssm mssr msun msus mubi mubs muin muir muis mumm mums mumu muni munn muns munu muri murn murr murs muru musi muss musu n-ii nibi nibm nibs niir niiu nimb nimi nimr nims nimu nini nins nirs niru nisi niss nisu niur nmis nmri nnnn nnss nsbm nsin nsis nsmb nsnr nssb nssr nsss nsub nubi nubs nuim nuin numb numi numm nums numu nunn nuns nuri nurn nurr nurs nuru nusi nuss nusu rbbb rbbr rbbs rbis rbms rbss rib- ribs ribu riin riis rimi rimm rims rimu rinn riri rirs risi rism riss risu rius rmbs rnbr rnin rrrr rrum rrun rsbi rsis rsnn rsnr rsum rubb rubi rubs rubu ruin ruis rumb rumi rumm rums runi runn runs ruri rurs ruru rusi russ rusu ruun s-ib s-ii sbbs sbsi sbus sibi sibs sibu siim simi simm sims sini sinn sins sinu siri sirr sirs siru sisi siss sisu siui sium sius smin smis smsn smss smur smus snib snir snns snrs snub snum snur snus srib srim sris srni srnn srub ssbn ssbr ssin ssis ssns ssri ssrm ssrs sssb sssi sssm ssss sub- subb subi subm subs suin suir suis sum- sumi sums sumu sun- sunb suni sunn suns sunu sur- suri surn surr surs suru sus- susi suss susu suum suus ubbi ubii ubir ubis uims uirr umb- umbi umms umri umsu umus uni- unii unin unir unis unmr unni unns unrs uns- unum unus urbi urbs urib urim urin uris uriu urmi urni urns urri ursi urss ursu urum urun urur urus usbr usbs usim usin usis usmm usms usnr usnu ussb ussr usss ussu usui usun usus uuni uuri uusi uuuu