babs babu baia baib baio bair bais bait baos bar- bara barb bari baro barr bars bart baru basa basi baso bass bast basu bata bati bato bats batt batu bau- baur baw- bawi baws bawu bbas bbau bbbb bbbs bbwr bbws biao biar bias biat biba bibb bibi bibo bibs biis bio- bioi bios biot biou bira birb biri biro birr birs birt biru bis- bisa biso biss bist bisu bita bito bits bitt bitu biw- biwa boab boai boar boas boat boba bobb bobi bobo bobs bobu bobw boi- boii bois boit boiu boob boor boos boot boow bor- bora bori boro borr bors bort boru borw bosa bosi boso boss bost bosu bota botb boti boto bots bott botw boua bour bous bout bouw bowa bowi bowr bows bowt brab brai brao bras brat brau braw bria brio bris brit broa brob broo bror bros brot brou brow brrr brrs brsb brsr brst brus brut bsaa bsas bsat bsaw bsos bsra bsts btaa btob btor btrt btss bttb btus btwo buar buat buba bubb bubi bubo bubs bubu buir buis buit buiu bur- bura burb buri buro burr burs burt buru busa busi buss bust busu but- buta buti buto buts butt buus buwa bwaa iaaa iaai iaas iaat iaba iaia iais iara iars iart iaru iasa iasi iaso iasr iata iati iawa ibar ibas ibat ibia ibis ibos ibot ibra ibri ibro ibsa ibss ibtb ibts ibus ibwa iias iiii iiio iiis iiit iioi iioo iios iira iirs iisi iisr iist iisu iita iitr iitt iiwi ioba iobi ioii ioio ioit iooi iooo ioos iora iori iors ioso iosu iota ioto ious iowa irai irao irar iras iri- iria irio iris irob irra irri irrs irsa irta irti irts irus is-a isai isao isar isas isat isaw isba isbt isia isis isit iso- isor isos isra isri issa issi isso issr isss issu ista isti isto istr ists isua isus itaa itai itar itas itat itaw itbs itia itis itoi itoo itor itos itou itra itri itrs itsa itsi itso itsu itta itto itur itwa iuiu iura iuss iust iwai iwao iwar iwas iwis iwiw oaau oais oara oars oasi oass oast oats obai obas obba obbo obia obis obit oboi obor obos obot obra obri obro obsr obss obst obts obus oiba oiii oios oira oirt oist oisu oita oiti ooaa ooba oobi ooia oooo ooos oora oort oosa oosi oost ootb oots ootw oous orab orai orao orar oras orat orba orbb orbi orbo orbs orbu ori- oria orio oris orit oro- oror oros orot orra orri orro orrs orsa orsi orso orsu orta orto orts orub orus orwa orwo osai osar osas osat osba osia osii osis osoi osoo osor osos osow osro ossa ossb ossi osso ossu osta osti ostr osts otar otas otbs otis otit oto- otoo otor otos otow otra otro otrs otsa otso otsu otta otti otto otts ottu otur otus otwo ouat oubs ouii ouir ouis ouit our- oura ouro ours ourt ousa oust out- outa outb outi outo outs ouu- owai owar owia owir owow owsa owt- owtt owur owwa raab raas raat raba rabb rabi rabo rabs rabu raia raii rair rais rait raiu raob raos rara rarb rari raro rars rasa rasi raso rass rast rasu rata rati rato rats ratt ratu raua raub raus raut rawa rawr raws rawu raww rbbb rbbr rbbs rbis rbss rbst riaa riab riai rias riat riau rib- riba ribo ribs ribu riia riis rios riot riou riri rirs risa risi riso riss rist risu rita riti rito rits ritt ritu rius riwo roab roar roas roat rob- roba robb robi robo robs robt robu roia roio roir rois roit roiu roob rooi roor roos root rora rori roro rort roru rosa rosi roso ross rost rota roti roto rotr rots rott roua roub rous rout rowa rowb rowi rowr rows rowt roww rras rrat rrrr rsaa rsai rsbi rsis rsos rssa rsts rstu rsua rtai rtas rtss rtts ruas ruba rubb rubi rubs rubu ruis ruit rura ruri ruro rurs ruru rusa rusi ruso russ rust rusu ruta ruti ruto ruts rutt rutu ruwa ruwi s-ib s-ii s-os saab saar saas saat saba sabb sabi sabo sabr sabs sabu saia sair sais sait saoi saor saos saou sara sari saro sarr sars sart saru sasa sasi saso sass sast sata satb sati sato satr sats satt satu saua saur saus saut sawa sawi saws sawt sbaa sbai sbar sbas sbbs sbia sbor sbot sbsa sbsi sbst sbus sbwr siaa siab siai sias siat siau siba sibi sibo sibs sibu siit sior sios siot siou sira siri siro sirr sirs sirt siru sisa sisi siss sist sisu sit- sita siti sito sits sitt situ siui sius siut siwa siwi soar soas soat soaw soba sobo sobr sobs sobt sobu soia soir sois soit soor soos soot sora sorb sori soro sorr sors sort soru sosa sosi soso soss sost sota soto sots sotu sotw sour sous sout sowa sowi sowr sows sowt sras sraw srib sris sros srta srtr srub ssaa ssab ssao ssas ssat ssau ssaw ssbr ssis ssit ssot ssra ssri ssrs sssa sssb sssi ssss ssta sstb ssts ssws stab stai star stas stat stau staw stbs stia stib stio stir stis stit stoa stob stoo stor stos stot stou stow stra stri stro strs stru stsi stss sttr stub stur stus stut suar suas suat suaw sub- suba subb subi subo subs suio suir suis suit suor suos sur- sura suri suro surr surs surt suru sus- susa susi suso suss sust susu suta suti suto sutu suus suwa suwu swab swai swar swas swat swbs swbw swir swis swit swob swoo swor swot swow swss swts taa- taar taas taat taba tabb tabi tabo tabs tabu taia taio tair tais tait taoa taor taos taou tara tarb tari taro tarr tars tart taru tasa tasb tasi tasr tass tast tasu tata tatb tati tato