ossi osso ossu osti ostr osts otbd otbs otis otit oto- otoo otor otos otro otrs otso otsu otti otto otts ottu otur otus oubs ouds ouii ouir ouis ouit our- ouro ours ourt ousd oust out- outb outi outo outs ouu- rbbb rbbr rbbs rbds rbis rbsd rbss rbst rdio rdos rdso rib- ribo ribs ribu ridd ridi rido rids riis rios riot riou riri rirs risd risi riso riss rist risu riti rito rits ritt ritu rius rob- robb robi robo robs robt robu rodd rodi rodo rods roid roio roir rois roit roiu roob rood rooi roor roos root rori roro rort roru rosi roso ross rost roti roto rotr rots rott roub roud rous rout rrrr rsbi rsdd rsds rsid rsis rsos rsts rstu rtdt rtss rtts rubb rubi rubs rubu rudd rudi rudo ruds ruid ruis ruit rurd ruri ruro rurs ruru rusi ruso russ rust rusu ruti ruto ruts rutt rutu ruud s-ib s-ii s-os sbbs sbds sbor sbot sbsd sbsi sbst sbus sdds sdib sdio sdot sdrs sdss sdsu sibi sibo sibs sibu sidd sidi sido sidr sids siit siod sior sios siot siou siri siro sirr sirs sirt siru sisd sisi siss sist sisu sit- sitd siti sito sits sitt situ siui sius siut sobo sobr sobs sobt sobu sodd sodo sods sodu soir sois soit sood soor soos soot sorb sord sori soro sorr sors sort soru sosi soso soss sost soto sots sotu soud sour sous sout srib sris sros srsd srtr srub ssbr ssdd ssid ssis ssit ssot ssri ssrs sssb sssi ssss sstb sstd ssts stbd stbs stds stib stid stio stir stis stit stob stod stoo stor stos stot stou strd stri stro strs stru stsi stss sttd sttr stub stud stur stus stut sub- subb subd subi subo subs sudd sudi sudo suds suid suio suir suis suit suor suos sur- surd suri suro surr surs surt suru sus- susd susi suso suss sust susu suti suto sutu suus tbbs tbit tbrb tbst tddb tdis tdor tdri tdss tibi tibs tibu tidd tids tiit tiiu tios tiou tirb tird tiri tiro tirr tirs tiru tisb tisi tiso tiss tist titi tito tits titt titu tobi tobo tobs tobt tobu todd todi todo tods todt todu toid tois toit tood toor toos toot tord tori toro torr tors tort toru tosb tosi toso toss tost tosu totd toti toto totr tots tott toui tour tous tout tri- trib trio tris trit trod troi troo tros trot trou trsd trsi trst trtr trub trud trus trut truu tsbd tsdb tsid tsis tsob tsoi tsos tsou tssi tssr tsst tsts tsui ttbb ttss tttt tubb tubo tubr tubs tubu tudi tudu tuis tuit tuiu tuor tuos turb turd turi turo turr turs turt turu tusd tusi tuss tust tuti tuto tuts tutt tutu tuuo ubbi ubbo ubid ubii ubir ubis ubit ubod ubos ubud uddi udds udid udir udoo udos udot udsd udts uirr uisd uist uits uor- urbi urbs urds urdu urib uris uriu uro- uroo urri ursi urso urss ursu urts urur urus urut usbr usbs usdo usds usdt usis usoi usos ussb ussr usss usst ussu ustb usti usto usts usui usus utid utis utor utri utti utto uttu uuri uusi uuuu

-itis bbuss bdoor bdort bdubs bibbo bibbs bibio bibis bibod bibos bibri bibus biddu bidor bidos bidri bidur biosd bioss birdo birds birdu biros birou birrs birst birts birur bisou bisto bitis bitit bitru bitti bitto bitts bo-bo bobbi bobos bobr bobri bobst bobts bodd- bodio bodir bodiu bodor bodos bodri boids boios boiro boist boito boobs booit boord boors boort booru boost boots borbo bordi bordo bords borid borio boris boro- borod boroo boros borot borou borro borsi borst borsu borts borus borut bosio bosor bossi bosso bosut botis botos botou botro botti botts bottu botus boudu bourd bouri bours boust bouto bouts bridi brids briod briot briou brisb brisi briss brist brito brits britt brobo brobs brodd brodo broid brood broos bross broto broud brous brout brrrr brud- bruds bruis bruit bruiu bruri bruss brust bsous bssid btr-d btr-t btstu budds buddu budos budur buird buist buord burbs burdi burds burio buroo buros burri burro burrs burru burst burts burtt burud burus burut busir busot busso bussu busti busto busts busur busut busuu butdo butid butis butit buto- butor butot butou butts butuo butut d-bus d-dot d-rod dbdos dbtss ddddd ddost dibri diddu didio didit didos didot didso didst didto didus dioid dioro diors dioti dirts disir diss- dist- disti disto distr disur ditib dittd ditti ditto do-do dobbs dobos dobri dobro dodds dodoo dodos dodro doido doids doist doits doobs doodo doods doors doost doout dordt dorid dorio doris dorit doros dorot dorrs dors- dorsi dorso dorst dorts dorud dorus dosis dossi dosso dosti dosur dot-s dotid dotis dotoo dotti dotto doubs doubt douds douit douro dours doust douts drbob drdos dribs dridu driss drobo droid droit drood drori dross drost drott drout drubs druid druri drust dtour dubbi dubbo dubbs dubi dubos dubti dubus duddo dudou duist duits durio duris duros durst durtu dussi dusti dusts dutsi i-bid i-bod i-bot ibbur ibdis ibibo ibids ibros idio- idiot idist idodi idois idood idoru idoso idoto idous idris idrus iiiii iiris iisir iitti iobit iodid iodo- ioooi ioooo iorio iotit iotti irbid irbis irbit irid- irido irids irios iris- iriss irisu irobo irori irour irous irrit irssi is-is isbut isios isiro isisi isiti isits isitt isodd isour isout isrib issid issor issou issru issus issuu istoo istud istus isuto isuus itbit itdid itisi itiso itobi itoss itour itout itrod itsit itsso itsto itsus ittoo ittti itu-d itu-r itu-t ituri ituro ituru itutu o-r-b obits obodo oboro obosi obout obtus obudu oddur odibo odiid odist odori odors odour odudu oduro oidor oirot oitti oobit ooids ooioo ooooo ootid ootus orbis orbit orbot orbus ordib ordis ordos ordro oribi oridb orist orito orits orius orobo orodo orosi oroso orost orosu orout orris orsis orsit