bbbb bbbs bbin bbwr bbws bibb bibi bibo bibs biin biis bin- bini binn bino bins bio- bioi bion bios birb biri birn biro birr birs bis- biso biss biw- bnib bnin bnor bnrr bnss bobb bobi bobo bobs bobw boi- boii boin bois boni bonn bono bons boob boon boor boos boow bor- bori born boro borr bors borw bosi bosn boso boss bowi bown bowr bows brin brio bris brno brns brob bron broo bror bros brow brrr brrs brsb brsr bsin bsns bson bsos bwin i-no ibis ibns ibon ibos ibri ibro ibsn ibss iiii iiio iiis iino iioi iioo iios iirs iisi iisr iiwi inbo inis inni inno innr inns ino- inoi inon inor inos inow inri inro inrs inso inss inw- inwi iobi ioii ioio ioni ionn iono ions iooi iooo ioos iori iors ioso iown iri- irin irio iris irob iron irri irrs isbn isin isis isno iso- ison isor isos isri issi isso issr isss iswn iwin iwis iwiw iwno iwon n-ii nbbo nibi nibo nibs niir nini nino nins nion nioo nios niro nirs nisi niso niss nnnn nnos nnss nobi nobo nobs noib noin noio noir nois non- noni nonn nono nons nonw noo- noob noon nooo noor noos nor- norb nori norn noro norr nors norw nos- noss nowi nown nows nron nsbo nsin nsis nsnr nsos nssb nsso nssr nsss nswr nwbn nwbw nwss obbo obin obis oboi obon obor obos obri obro obsn obsr obss oiii oins oion oios onir onis onni onno onon onor onos onso oobi oons oooo ooos oosi orbb orbi orbo orbs ori- orin orio oris orni orno orns oro- oron oror oros orri orro orrs orsi orso orwo osii osin osis osno osnr osoi osoo osor osos osow osro ossb ossi osso owir owni owns owow rbbb rbbr rbbs rbis rbss rib- ribo ribs riin riis rinn rino rion rios riri rirs risi riso riss riwo rnbr rnin rob- robb robi robo robs roin roio roir rois roni rono rons ronw roob rooi roon roor roos rori roro rosi roso ross rowb rowi rown rowr rows roww rrrr rsbi rsis rsnn rsno rsnr rsos s-ib s-ii s-os sbbs sbor sbsi sbwr sibi sibo sibs sini sinn sino sins sion sior sios siri siro sirr sirs sisi siss siwi snib snir sniw snns snob snoo snor snos snow snrs sobo sobr sobs soin soir sois son- soni sono sons soon soor soos sorb sori sorn soro sorr sors sosi soso soss sowi sown sowr sows srib sris srni srnn srno sros ssbn ssbr ssin ssis ssns ssri ssrs sssb sssi ssss ssws swbs swbw swir swis swob swon swoo swor swow swss wbbb wbbi wbbn wbbo wbbr wbbs wbbw wbib wbin wbio wbis wbiw wbnb wbnr wbns wbnw wbob wboi wbon wbor wbos wbow wbrb wbri wbrn wbrr wbrs wbrw wbsb wbsr wbss wbsw wbwb wbwi wbwn wbwo wibb wibi wibn wibr wibs wibw wiii wiin wiis winb wini winn wino winr wins winw wiob wioi wion wioo wios wirb wiri wirn wiro wirr wisn wiso wisr wiss wisw wiwi wiwn wnbb wnbi wnbn wnbr wnbs wnbw wnib wnin wnio wnir wnis wniw wnnr wnns wnnw wnob wnoi wnoo wnor wnos wnow wnri wnrn wnrr wnrs wnrw wnsb wnsn wnsr wnss wnsw wnwi wnwn wnwr wnws wnww wobb wobn wobo woio woir wois wonb wonn wons wonw woob woon woos woow worb wori worn woro worr wors worw wosn woso woss wosw wowb wowi wown wowo wows woww wrbb wrbi wrbn wrbo wrbs wrbw wrin wrnb wrni wrnn wrno wrnr wrns wrnw wrob wroi wron wroo wros wrow wrrb wrrn wrro wrrs wrrw wrsb wrsi wrsn wrso wrsr wrss wrsw wrwb wrwn wrwr wsbb wsbi wsbr wsbs wsbw wsib wsir wsis wsni wsnn wsno wsnr wsnw wsob wson wsoo wsor wsos wsrb wsri wsrn wsro wsrs wsrw wssi wssr wsss wssw wswb wswi wswn wswr wsws wsww wwbb wwbn wwbr wwib wwii wwin wwio wwis wwnb wwnn wwno wwnr wwns wwnw wwon wwor wwos wwow wwrb wwrr wwrw wwsb wwsi wwsn wwsr wwss wwwi wwwn wwwr wwws wwww