offo offr offs offu ofor ofre ofus oier oies oiii oios oire oise oisu oobe oobi ooer ooes ooff oofs oooo ooos oore oose oosi oous orbb orbe orbi orbo orbs orbu ore- oreb oreo orer ores orfe orff orfi orfs orfu ori- orie orif orio oris oro- oroe orof oror oros orri orro orrs orse orsi orso orsu orub orus osbe osee osei oser oses osie osii osis osoi osoo osor osos osro ossb osse ossi osso ossu oubs ouer oufe ouff ouie ouii ouir ouis our- oure ouro ours ouse ouu- rbbb rbbr rbbs rbis rbss rebb rebe rebo rebs rebu reeb reef rees refe reff refi refr refs refu reif reii reir reis reiu reof reos reou rere reri rero rers reru rese resi reso ress reue reuf reus reuu rfef rib- ribe ribo ribs ribu rief rier ries rieu rife riff rifs rifu riif riis rios riou rire riri rirs rise risi riso riss risu riue rius rob- robb robe robi robo robs robu roer roes rofe roff rofo roif roio roir rois roiu roob roof rooi roor roos rore rori roro roru rose rosi roso ross roub roue rouf rous rrif rrrr rsbi rsee rsis rsos rsre rubb rube rubi rubs rubu ruer rues rufe ruff rufo ruif ruis rure ruri ruro rurs ruru ruse rusi ruso russ rusu s-ib s-ii s-os sbbs sbef sber sbor sbse sbsi sbus se-e se-f se-i se-o se-s se-u sebe sebi sebo sebs seeb seef seer sees seeu seff sefi seie seif seii seir seis seiu seoi serb sere serf seri sero serr sers seru sese sesi seso sess seui seur sfer sfio sfor sfos sfro sfss sfsu sibe sibi sibo sibs sibu sief sier sies sife siff sifo sifr sifu sioe sior sios siou sire sirf siri siro sirr sirs siru sise sisi siss sisu siue siui sius sobe sobo sobr sobs sobu soeo soes sofi sofo soie soif soir sois soof soor soos sorb sore sori soro sorr sors soru sose sosi soso soss soue souf sour sous sreb sreo sres srfi srib sris sros srub ssbr ssee sses ssis ssri ssrs sssb sssf sssi ssss sub- subb subi subo subs suee suer sues sueu suf- suff sufi sufr sufs sufu suie suio suir suis suor suos sur- sure surf suri suro surr surs suru sus- suse susi suso suss susu suus u-ie ubbe ubbi ubbo uber ubii ubir ubis ubos ueir uers uess ufer uffe ufos uies uirr uise uofo uor- uore urbe urbi urbs ure- ures urfe urff urfi urib urie urif uris uriu uro- uroo urre urri urse ursi urso urss ursu urur urus usbe usbr usbs usee usef user uses usfi usfs usie usif usis usoe usoi usos ussb usse ussf ussr usss ussu usui usus uuri uusi uuuu

bbbee bbser bbuss be-er be-ro beber bebes beebe beebs beefs beeri beers beffe befie befis befoe befor befur beibi beier beife beire beirs beisu beius beofe beoff beoir beour berbe berei beres berie berio beris beriu berob beroe beror berre berri berru berse berus besee besie besob besos besri besse bessi besso beuer beure bibbe bibbo bibbs biber bibes bibie bibio bibis bibos bibri bibus biebe biebs biefe biere bieri biers bifer biffi biffo biffs bifor bifus biore biose bioss bioue birie biros birou birrs birse birur bisee bisei biser bises bisfi bisie bisou bisse biure bo-bo bobbi bobos bobr bobre bobri boero boers boese boeuf boeur boffi boffo boffs boibe boier boies boios boire boiro boise boobs booer boofs boore boors booru boose borbo boree borer bores borio boris boro- boroo boros borou borre borro borse borsi borsu borus bosie bosio bosor bosse bossi bosso bouee bouer boues boure bouri bours bouse brebu breef breer brees breo- brere brers brese bress breu- bribe brief brier bries brifu briou brisb brise brisi briss brobo brobs broer broos brose bross broue brous brrrr bruer brues bruff bruis bruiu bruri bruse bruss bsous bsure bubbe buber buffe buffi buffo buffs bufos buies buire buise burbs bures burfi burie burio buroo buros burri burro burrs burru burse burus buser buses busir busse busso bussu busur busuu e-sir ebber ebbie ebers ebibe ebios ebisu eboes eboue ebrio ebure eeeee eerie eeros eesof efere eferi effer effie effio efore efrei efuru efuse eieio eires eirie eiseb eisie eisoo eofor eorre erbbe erber erebs ereis erere eresi erier eries eriff erio- eroes eroor eroos erore erose eross erres erris error erses erubs esbri esbus esere esiee esiri esobi esref esser esses essie essor essse essue esure eubie eubro euro- euros eurre eurus euser febio febre feebs feeor feere feers feese fefor feier feios feoff feres ferie ferio ferr- ferre ferri ferro ferse ferus feser fesse fesso feuer feurs fiber fibis fibr- fibre fibro fieee fiefs fieri fiero fiers fifer fifes fifie fiore fiori firee firei firer fires firie firos firou firre firse fisbo fissi fofos foios foir- foire foore foose forbs fore- foreo fores forio foros forro forse forso forss forur forus fosie fosse fouee fourb foure fouro fours fouse freei freer frees freir freis frere frese fress freur frier fries friis frios frise friso friss frobe frobs froes frore frose fu-fu fubbs fubus fuero fuffs furbo furie furio furir furo- furor furrs furse furus fusee fuser fuses fusi- fusie fusio fuso- fusoe fusor fusse fusus fuuse i-beo ibbur ibeof ibero ibibo ibore ibros iebus ieiri ierei ieroe if-- ifere iffou ifius iiiee iiiii iiris iisir ioffe ioooi ioooo iorio irbis ireos iress irios iris- irise iriss irisu irobo irori irose irour irous irsee irssi is-is iseeu isfor isios isiro isisi isoff isour isrib issei isser issie issor issou issre issru issue issus issuu isure isuus iurie o-fer o-r-b obeie obeis obers obese obeso obess obies oboes oboro obosi oboue obreb obrse oeiro oeses oeufs offer offie offir offis offof offre ofori ofosu ofour ofsee ofuse oo-er ooioo ooooo oorie ooser orbis orbus orebi oreo- oreoi oreos orere orero oreus orfei orfeo orfes orfeu orfoe orfor oribe oribi orius orobe