-ism bbbb bbbs bblb bbls bffl bffs bfsi bfsr bfts bftt bibb bibi bibl bibo bibs biff bifi biis bili bill bilo bils bilt bimo bims bio- bioi biol bios biot birb biri birl biro birr birs birt bis- bisl biso biss bist bito bits bitt blbt blim blio blir blis blit blls blob blom bloo blot blss blst blts bmir bmmi bmts bobb bobi bobo bobs boff bofs boi- boii boil boim bois boit boli boll bolm bolo bols bolt bomb bomi boms bomt boob boof bool boom boor boos boot bor- borf bori borm boro borr bors bort bosi bosm boso boss bost botb boti boto bots bott brfm bril brim brio bris brit brls brob brol brom broo bror bros brot brrm brrr brrs brsb brsr brst bsff bsfs bsim bsms bsmt bsos bsrm bssm bsts btob btor btrt btss bttb fbis fbom fbrs ffff ffii ffrr ffss fftf fibs fiff fifi fifm fifo fift fiii fiil fili fill film filo fils fimo fimr fior fios firm firs fisi fism fiss fist fiti fits fitt flii flim flis flit flmb flob flom floo flor flos flot flts fmri fmsr fmss fobs fobt fofo foil fois foli foll folo folr fols folt fomo fomt foof fool foom foos foot for- forb fori forl form foro forr fors fort fosb fosi foso foss fost foti fotm foto fots fott frib fril frim frio fris frit frob frol from fros frot frsb frsm frso frst fsfi fsfo fsim fssf ft-l ftii ftlb ftos ftrs ftsr ibbm ibfi ibim ibis ibml ibms ibos ibot ibri ibro ibsf ibss ibtb ibtl ibts ifbb ifil ifim ifis ifit ifor ifrb ifrf ifri ifsb ifso ifto iiii iiio iiis iiit iioi iioo iios iirs iisi iism iisr iist iitm iitr iitt ilbm ilio ilir ilis ilit ill- illi illo ills illt ilmo ilmr iloo ilos ilot ilrm ilts imbi imfi imir imit imli immi immo imms immt imof imri imro imrr imsf imsi imso imsr imss imst imto imts iobi ioii ioio ioit iolo iomo ioof iooi iooo ioos iori iors ioso iotf ioto irbm irfm iri- iril irio iris irlb irmo irms irob irri irrs irsf irtf irti irts isbl isbt isil isim isis isit isls ismi ismo isms iso- isof isol isor isos isri issf issi isso issr isss isti isto istr ists itbs itif itil itim itis itll itmo itms itof itoi itol itoo itor itos itrf itri itrs itsf itsi itso ittf itto lblr lbms lbos lbrs lbrt lfmr lfts libo libr libs liff lifl lifo lift liii liir liis lilb lili lill lilo lils lilt limb limi liml limm limo lims lio- liom lior lios liri lirl liro lirr lirs lirt lisi liso liss list litb liti litl lito litr lits litt llbs llll llms lloo lmbo lmfm lmii lmmr lmms lmrs lmsi lmsr lob- lobb lobi lobo lobs loff lofi loft loif loir lois loit loli loll lolo lols lomb lomi lomm lomo loms loob loof lool loom loor loos loot lori loro lors losi loso loss lost loti lotl loto lotr lots lott lrif lrmt lroi lrrr lrsm lrst lrts ls-r lsof lsso lssr lsts ltbf ltbl ltib ltrs ltsi ltsr lttr mbbs mbim mbio mbis mbms mbrs mbsf mbsl mfbm mfor mfri mfrs mfsb mftf mibs miff mifi miii miio miis miit milf mili mill milo milr mils milt mim- mimi mimo mims mio- miol mios miri mirl miro mirr mirs mirt mis- misi misl miso misr miss mist mit- mitb miti mitm mito mits mitt mlii mlis mlit mlrs mlss mltb mltr mmff mmii mmis mmli mmmm mmms mmor mmrf mmst mmts mobb mobi mobo mobs moff mofo moif moii moil moio moir mois moit moli moll molo molr mols molt momi momo moms moob mool moor moos moot morb morf mori morl moro mors mort mosi moso moss most motb moti motl motm moto mots mott mrbb mrbm mrbs mris mrls mrml mrsi mrsl mrtm mrts mrtt msff msfs msft msil msmb msml msmm msms msol msor msrb msrt mssf mssi mssm mssr msst mstr msts mtbo mtbs mtff mtlb mtom mtor mtrl mtrr mtsl mtss mtst mttr mtts obbo obis obit obls oboi obol obor obos obot obri obro obsr obss obst obts off- offo offr offs ofit ofml ofor ofst oiii oils oimb oios oirt oism oist oiti olbo olfs olib olim olio olis olit olli ollo olmi olmo olms olof olom olor olos olot olsi olst ombo omim omio omis omit omo- omoi omoo omor omri omro omsi oobi ooff oofs oolo ooms oooo ooos oort oosi oost ootb oots orbb orbi orbo orbs orff orfi orfs ori- orif oril orio oris orit orlo ormo oro- orof orom oror oros orot orri orro orrs orsi orso orto orts osii osim osis osli oslo osm- osmo osoi osoo osor osos osro ossb ossi osso osti ostr osts otbs otif otis otit oto- otof otoo otor otos otro otrs otso otti otto otts rbbb rbbr rbbs rbis rbms rbsl rbss rbst rffl rib- ribo ribs riff rifs rift riif riis rill rilo rimi rimm rimo rims riol riom rios riot riri rirs risi rism riso riss rist riti ritl rito rits ritt rlif rlls rlml rlms rmbs rmif rmll rmst rob- robb robi robo robs robt roff rofl rofo roif roil roio roir rois roit rolf roll rolm rolo rolt romb romi romm romo roms roob roof rooi rool room roor roos root rori roro rort rosi roso ross rost roti rotl roto rotr rots rott rrif rrrr rsbi rsis rsml rsos rssl rsts rtbf rtfb rtfm rtls rtlt rtmi rtml rtms rtss rtts s-ib s-ii s-os sbbs sbml sbor sbot sbsi sbst sfio sfls sfmm sfor sfos sfro sfss sfts sibi sibo sibs siff sifl sifo sifr sift siim siit sil- silf sili sill silo sils silt simi simm simo sims simt siol sior sios siot sirf siri siro sirr sirs sirt sisi siss sist sit- siti sito sits sitt sl-i slft