bbbb bbbs bbdd bbdo bblb bbls bd-r bdii bdls bdos bdsd bffl bffs bfsi bfsr bibb bibi bibl bibo bibs bidi bido bidr bids biff bifi biis bild bili bill bilo bils bio- bioi biol bios birb bird biri birl biro birr birs bis- bisd bisl biso biss bldr blio blir blis blls blob blod bloo blss bobb bobi bobo bobs bodb bodi bodo bods bofd boff bofs boi- boid boii boil bois bold boli boll bolo bols boob bood boof bool boor boos bor- bord borf bori boro borr bors bosi boso boss brdo brds brid bril brio bris brls brob brod brol broo bror bros brrr brrs brsb brsr bsbd bsdl bsff bsfs bsod bsos bsrd bssd d-bo dbfo dbfs dbls dbos dbrs dbss dddd ddss dfds dfrf dfri dibb dibo dibs didi dido dids dif- diff difs diii diis dilf dili dill dilo dils diol dior dios dird dirl dirr dirs dis- disd disi diso diss dlbd dlib dlii dlil dlis dlos dlrs dobb dobi dobl dobs dod- dodd dodi dodo dods doff doid doil dois dold dolf doli doll dolo dols doob dood doof dool door doos dord dorf dori doro dorr dors dosi doso doss drib drif dril drob drod drof drol drrs dsdr dsif dsls dsos dsri dsrr dssi fbis fbrs fbsd fdlr fdos ffff ffii ffrr ffss fibs fidf fido fids fiff fifi fifo fiii fiil fild fili fill filo fils fior fios firs fisd fisi fiss fldr flid flii flis flob flod floo flor flos fobs fofo foid foil fois fold foli foll folo folr fols food foof fool foos for- forb ford fori forl foro forr fors fosb fosi foso foss frib frid fril frio fris frob frol fros frsb frso fsfi fsfo fssf ibdo ibfi ibid ibis ibos ibrd ibri ibro ibsf ibss iddo idid idil idio idir idis idli idls idol idos idrf idro idsf idso idss ifbb ifid ifil ifis ifor ifrb ifrf ifri ifsb ifso iiii iiio iiis iioi iioo iios iirs iisd iisi iisr ilio ilir ilis ill- illd illi illo ills iloo ilos iobi iod- iodd iodo ioii ioio iolo ioof iooi iooo ioos iori iors ioso irdo irds iri- irid iril irio iris irlb irob irod irri irrs irsf isbd isbl isdb isds isil isis isls iso- isof isol isor isos isri issf issi isso issr isss lbds lblr lbos lbrs ldif ldls ldos ldrs lfrd libo libr libs lidb lidl lido lids liff lifl lifo liii liir liis lilb lili lill lilo lils lio- liod lior lios lird liri lirl liro lirr lirs lisd lisi liso liss llbs lldb llds llll llod lloo lob- lobb lobi lobo lobs lodi lods loff lofi loid loif loir lois lold loli loll lolo lols loob lood loof lool loor loos lord lori loro lors losi loso loss lrdd lrds lrif lroi lrrr ls-r lsds lsid lsof lsso lssr obbo obid obis obls oboi obol obor obos obri obro obsd obsr obss odbo oddd oddi odds odio odir odis odoo odor odos odrl odso ofdr off- offo offr offs ofid ofor oido oids oiii oils oios oisd olbo oldb olds olfs olib olid olio olis olli ollo olof olor olos olsi oobi oodi ooff oofs ooid oold oolo oooo ooos oord oosi orbb orbi orbo orbs ordo ords orff orfi orfs ori- orid orif oril orio oris orlo oro- orof oror oros orri orro orrs orsi orso osdi osii osis osli oslo osoi osoo osor osos osrd osro ossb ossd ossi osso rbbb rbbr rbbs rbds rbis rbsd rbsl rbss rdio rdos rdso rfdi rfds rffl rfid rib- ribo ribs ridd ridi rido rids riff rifs riif riis rill rilo riol rios riri rirs risd risi riso riss rlds rlif rlls rob- robb robi robo robs rodd rodi rodo rods roff rofl rofo roid roif roil roio roir rois rold rolf roll rolo roob rood roof rooi rool roor roos rori roro rosi roso ross rrif rrrr rsbi rsdd rsdl rsds rsid rsis rsos rssl s-ib s-ii s-os sbbs sbds sbor sbsd sbsi sdds sdib sdif sdio sdls sdrs sdsf sdsl sdss sfio sfls sfor sfos sfro sfss sibi sibo sibs sidd sidi sido sidr sids siff sifl sifo sifr sil- sild silf sili sill silo sils siod siol sior sios sirf siri siro sirr sirs sisd sisi siss sl-i slds slib slid slir slob slod sloo slos slrs sobo sobr sobs sodd sodo sods sofi sofo soif soil soir sois sold solf soli soll solo solr sols sood soof sool soor soos sorb sord sori soro sorr sors sosi soso soss srfi srib sris sros srsd ssbr ssdd ssdf ssfl ssid ssis ssri ssrl ssrs sssb sssf sssi ssss