bato batt batu bau- baur bava bavi bavu bbau bbbb bbin bian biao biar biat biba bibb bibi bibo biin bin- bina bini binn bino bint binu bio- bioi bion biot biou bira birb biri birn biro birr birt biru bita bito bitt bitu bivi bnai bnib bnin bnor bnrr bnta boab boai boan boar boat boba bobb bobi bobo bobu boi- boii boin boit boiu bona boni bonn bono bont bonu boob boon boor boot bor- bora bori born boro borr bort boru bota botb boti botn boto bott boua boun bour bout bova bovi bovo brab brai bran brao brat brau brav bria brin brio brit brna brno broa brob bron broo bror brot brou brrr brun brut bruv brvi btaa btan btob btor btrt bttb btvi buar buat buba bubb bubi bubo bubu buin buir buit buiu buna bunb buni bunn buno bunt bunu buon bur- bura burb buri burn buro burr burt buru but- buta buti buto butt i-no iaaa iaai iaat iaba iaia iain iana iara iart iaru iata iati iava iban ibar ibat ibia ibon ibot ibra ibri ibro ibtb iiii iiio iiit iino iioi iioo iira iita iitr iitt inab inai inan inao inar inat inau inba inbo inia init inna inni inno innr innu ino- inoi inon inor inot inou inra inri inro inta inti intn into intr intu inua inui inun invt ioan ioba iobi ioii ioio ioit iona ioni ionn iono iooi iooo iora iori iota ioto ioun irai iran irao irar iri- iria irin irio irna irob iron irov irra irri irta irti irun itaa itai itan itar itat itia itin itno itoi iton itoo itor itou itra itri itta itto itur iuiu iuno iura ivai ivan ivao ivar ivbv ivin ivon ivor n-ii n-tv naaa naab naai naan naar naat naba nabi nabo nabu naia naib nain naio nair nait nan- nana nanb nani nann nano nant nanu naoi naor naot nara nari narn naro narr nart naru nata nati nato natt natu natv nauo naur naut nava navi navo navr navv nbaa nbar nbbo nbia nbti niab nian niau nibi nibo niia niir niit niiu nina nini nino nion nioo niou nira niro nirt niru nirv nita nitb niti nito nitr niur niva nivo nivr nnit nnnn nnot nntn nnvt noaa noat noba nobi nobo nobu noia noib noin noio noir noit non- nona noni nonn nono nont nonu noo- noob noon nooo noor noot noov nor- nora norb nori norn noro norr nort norv not- nota noti noto nott notv noun nour nout nov- nova novi novo nrab nrna nron nrta ntia ntnu ntru ntto nttr nttv ntui nuan nuba nubi nuin nuit nuna nunn nuno nunt nuon nura nuri nurn nurr nurt nuru nurv nutt nutu nuva nuvo nvir nvtv oaau oara obai oban obba obbo obia obin obit oboi obon obor obot obra obri obro obvi oiav oiba oiii oint oion oira oirt oita oiti onab onan onar onat onia onir onit onna onni onno onon onor onra ont- onti onto ontv onur onut ooaa ooba oobi ooia oona oont oooo oora oort ootb orab orai oran orao orar orat orav orba orbb orbi orbo orbu ori- oria orin orio orit orna orni orno oro- oron oror orot orra orri orro orta orto orub orvr otan otar otin otit oto- oton otoo otor otov otra otro otta otti otto ottu otur ouan ouat ouii ouin ouir ouit oun- ouna our- oura ourn ouro ourt out- outa outb outi outo ouu- ovan ovar ovi- ovni ovo- ovon ovoo ovot ovra raab raan raat raba rabb rabi rabo rabu raia raii rain rair rait raiu rana rani rann rano rant raob rara rarb rari raro rata rati rato ratt ratu raua raub raun raut rava ravi rbbb rbbr riaa riab riai rian riat riau rib- riba ribo ribu riia riin rina rinn rino rion riot riou riri rita riti rito ritt ritu riva rivo rnai rnbr rnin rnnt rnot rnut roab roan roar roat rob- roba robb robi robo robt robu roia roin roio roir roit roiu rona roni rono ront roob rooi roon roor root rora rori roro rort roru rota roti rotn roto rotr rott roua roub roun rout rova rovi rovo rrat rrna rrrr rrun rtai rtan rtva rtvi ruan ruba rubb rubi rubu ruin ruit runa runi runn runo runt rura ruri ruro ruru ruta ruti ruto rutt rutu ruun ruvi ruvu taa- taan taar taat taba tabb tabi tabo tabu taia tain taio tair tait tana tani tann tano tant tanu taoa taor taou tara tarb tari tarn taro tarr tart taru tata tatb tati tato tatr tatt tatu tatv taua taub taur taut tava tavi tavo tbar tbit tbrb tbta tbvi tiaa tiab tian tiao tiar tiba tibi tibu tiit tiiu tina tini tinn tino tint tinu tion tiou tira tirb tiri tiro tirr tiru tita titi tito titt titu tiva tivi tivo tnut toab toan toat toau toba tobi tobo tobt tobu toit tona tonb toni tonn tono tonu tooa toon toor toot tora tori torn toro torr tort toru torv tota toti toto totr tott toui toun tour tout touv tova tovo traa trab trai tran trao trat trau trav tri- tria trib trin trio trit trna trno troa troi tron troo trot trou trra trtr trub trun trut truu ttab ttbb tton tttt tuan tuao tuar tuat tuba tubb tubo tubr tubu tuin tuit tuiu tuna tunb tuni tunn tuno tunu tuor tura turb turi turn turo turr turt turu tuta tuti tuto tutt tutu tuuo tuva tvbn tvnb tvni tvon tvri tvro tvrr tvtv uair uart uaru uata uatu uatv uaua ubar ubba ubbi ubbo ubii ubir ubit ubon ubra uint uira uirr unaa unai unan unar unat unau uni- unia unii unin unio unir unit univ unna unni unno unon unov unra unro untb unto untv unut uor- uovo urai uran urao urat urau urba urbi uria urib urin uriu urna urni uro- uroa uroo