bbbb bbfn bbin bblb bffl bftt bibb bibi bibl bibo biff bifi biin bili bill bilo bilt bin- bini binn bino bint bio- bioi biol bion biot birb biri birl birn biro birr birt bito bitt blbt blin blio blir blit blni blno blob blon bloo blot bnib bnin bnor bnrr bobb bobi bobo boff boi- boii boil boin boit boli boll boln bolo bolt boni bonn bono bont boob boof bool boon boor boot bor- borf bori born boro borr bort botb boti botn boto bott bril brin brio brit brno brob brol bron broo bror brot brrr btob btor btrt bttb ffff ffii ffrr fftf fiff fifi fifo fift fiii fiil fili fill filn filo fini finn fino fint fion fior firn fiti fitt flii flin flit flnb flob flon floo flor flot fntb fobt fofo foil foin foli foll folo folr folt fono font foof fool foon foot for- forb fori forl forn foro forr fort foti foto fott frib fril frin frio frit frob frol fron frot ft-l ftii ftlb i-no ibfi ibon ibot ibri ibro ibtb ibtl ifbb ifil ifit ifni ifno ifnr ifor ifrb ifrf ifri iftn ifto iiii iiio iiit iino iioi iioo iitr iitt ilin ilio ilir ilit ill- illi illo illt ilni ilno iloo ilot inbo infi infl info init inni inno innr ino- inoi inol inon inor inot inri inro inti intl intn into intr iobi ioii ioio ioit iolo ioni ionn iono ioof iooi iooo iori iotf ioto iri- iril irin irio irlb irob iron irri irtf irti itif itil itin itll itno itof itoi itol iton itoo itor itrf itri ittf itto lblr lbrt libo libr liff lifl lifo lift liii liin liir lilb lili lill lilo lilt linn lino lint lio- lion lior liri lirl lirn liro lirr lirt litb liti litl lito litr litt llll lloo lob- lobb lobi lobo loff lofi lofn loft loif loin loir loit loli loll lolo loni lono lonr lont loob loof lool loon loor loot lori lorn loro loti lotl loto lotr lott lrif lroi lron lrrr ltbf ltbl ltib ltnt lttr n-ii nbbo nbfl nbti nfff nfib nfon nfto nibi nibo niff nift niir niit nili nill nilo nilt nini ninl nino nion nioo niro nirt nitb nitf niti nito nitr nlrb nnit nnnn nnot nntn nobi nobo nofi noib noif noil noin noio noir noit nolf noli noll nolo nolt non- noni nonn nono nont noo- noob nool noon nooo noor noot nor- norb norf nori norn noro norr nort not- noti noto nott nrlb nron nrrl nrtl ntfl ntof ntrl ntto nttr obbo obin obit oboi obol obon obor obot obri obro off- offo offr ofit ofno ofor oiii oint oion oirt oiti olbo olib olin olio olit olli ollo olof olon olor olot onil onir onit onlf onni onno onon onor ont- onti onto oobi ooff oolo oont oooo oort ootb orbb orbi orbo orff orfi ori- orif oril orin orio orit orlo orni orno oro- orof oron oror orot orri orro orto otif otin otit oto- otof oton otoo otor otro otti otto rbbb rbbr rffl rib- ribo riff rift riif riin rill rilo rinf rinn rino riol rion riot riri riti ritl rito ritt rlif rlin rnbr rnin rnli rnnt rnot rob- robb robi robo robt roff rofl rofo roif roil roin roio roir roit rolf roll rolo rolt roni rono ront roob roof rooi rool roon roor root rori roro rort roti rotl rotn roto rotr rott rrif rrrr rtbf rtfb rtlt tbil tbit tbnf tbrb tfin tfot tibi tiff tifo tift tiit till tiln tilo tilr tilt tini tinn tino tint tion tirb tiri tirl tiro tirr titi tito titt tlli tlon tnfl tobi tobo tobt toff tofi tofo toft toil toit tol- toli toll tolo tolt tonb toni tonn tono toof tool toon toor toot torf tori torn toro torr tort toti toto totr tott trfr tri- trib trif tril trin trio trit trno troi tron troo trot trtr ttbb ttff ttfn tton tttt