bbbb bbeb bbet bblb bbwr bebb bebe bebi bebo beeb beel beer beet beil beir beit bele beli bell belo belt belu belw beo- beor beot bere beri bero berr bert beru bete beti beto bett betu betw beur bewe bibb bibe bibi bibl bibo bieb biel bier biet bieu bile bili bill bilo bilt bilu bio- bioi biol biot biou birb bire biri birl biro birr birt biru bite bito bitt bitu biw- blbt bleb blee blei bleo blet bleu blew blio blir blit blob bloo blot blou blow blub blue blur blut blw- bobb bobe bobi bobo bobu bobw boee boel boeo boer boet boi- boie boii boil boit boiu bole boli boll bolo bolt bolu boob booe bool boor boot boow bor- bore bori boro borr bort boru borw botb bote boti boto bott botw boue boul bour bout bouw bowe bowi bowl bowr bowt breb bree brei brel breo brer bret brew brie bril brio brit brob broe brol broo bror brot brou brow brrr brue brut brwe btie btob btor btrt bttb btwo bubb bube bubi bubo bubu buel buer bueu buie buir buit buiu bulb bule buli bull bult bulu buol bur- burb bure buri burl buro burr burt buru but- bute buti buto butt buwe ebbo ebbr ebbw ebel eber ebit ebli eboe ebol eboo ebor ebow ebro ebru ebul ebur eeee eele eero eete eetu eiei eier eile eiou eire eitb eiti eito eitr el-b elbe elbi elbo elbu elee eleo eler elet elie elil elio elit elle elli ello ellu eloi elro elte elto elue elui elul eoir eole eoli eolo eore eori eorl eoto eotw erbb erbe ereb erei erel erer eret erew erie eril erio erit eriu erle erli erll erob eroe eroi erol eroo erre erro ertl ertu erub erur erwt etbr etee etel eter etio etoe etre etro ette etti etto ettu etui eubi euer eule euoi eur- eure euro eurt euwe ewer ewew ewle ewre ewte i-be ibet ibew ibie ible ibot ibri ibro ibtb ibtl ieet ieie ieio iele iere ieri iett iiie iiii iiio iiit iioi iioo iitr iitt iiwi ile- ileo iler ilet ilie ilio ilir ilit ill- ille illi illo illt iloo ilot ilow ilre ilut ilwu iobi ioee ioel ioii ioio ioit iole iolo iooi iooo iore iori iote ioto iowe irbe iree irel irer iri- irie iril irio irlb irob irre irri irte irti irul itbe itel iter itet itie itil itll itoi itol itoo itor itou itri itto itur itwe iuel iuiu iweb iwie iwil iwiw lblr lbrt le-u lebo lebu leel leer leet leib leie leil leio leir leit lele leli lell lelo lelu leoi leor leou lere lero lert lete leti leto lett leur lewe libe libo libr libu lieb liel lier liet lieu liew liii liir lilb lile lili lill lilo lilt lilu lio- lior lire liri lirl liro lirr lirt liru litb lite liti litl lito litr litt litu liue liut llet lleu llew llll lloo lob- lobb lobe lobi lobo loeb loei loeu loew loir loit loiu lole loli loll lolo loob looe lool loor loot lore lori loro lote loti lotl loto lotr lott loue loui loul lour lout louu louw lowb lowe lowi lowl lowr lowt lowu loww lroi lrrr ltbl ltee ltib lttr lube luer luit lule luli lull lulu lure luri lurt lute luti luwi luwo luwr luwu lwbt lwei lwoo lwow o-eo obbo obel ober obet obie obit oble oblu oboe oboi obol obor obot obre obri obro oeil oele oere oeti oier oiii oire oirt oiti olbo ole- olei oleo oler olet olib olie olio olit olle olli ollo olor olot oltu olur oobe oobi ooer oolo oooo oore oort ootb ootw orbb orbe orbi orbo orbu ore- oreb orel oreo orer ori- orie oril orio orit orle orlo orlu oro- oroe oror orot orri orro orte orto orub orwe orwo otee oter otit oto- otoe otoo otor otow otre otro otte otti otto ottu otur otwo ouer ouie ouii ouir ouit oule oulu our- oure ouro ourt out- outb oute outi outo ouu- ouwe owel ower owie owir owli owlt owoe owow owre owt- owte owtt owul owur rbbb rbbr rble rebb rebe rebo rebu reeb reel reet reii reil reir reit reiu relb rele rell relo relt reol reot reou rere reri rero rert reru rete reti reto retr rett reue reul reut reuu rewe rewl rib- ribe ribo ribu riel rier riet rieu riew rile rill rilo rilu riol riot riou rire riri rite riti ritl rito ritt ritu riue riwo rlee rleu rob- robb robe robi robo robt robu roel roer roet roil roio roir roit roiu role roll rolo rolt roob rooi rool roor root rore rori roro rort roru rote roti rotl roto rotr rott roub roue roul rout rowb rowe rowi rowl rowr rowt roww rrle rrrr rtee rtei rtle rtlt rubb rube rubi rubu ruel ruer ruet ruit rule rull rulo rure ruri ruro ruru rute ruti rutl ruto rutt rutu ruwe ruwi tbil tbit tbrb tebo tebu teel teer teet teie teil teir teiu tel- tele teli tell telo telt telu teor teow ter- tere teri tero terr teru tete teti teto tetr tett tetu teut tewo tibi tibu tie- tiee tiei tiel tieo tier tiet tiew tiit tiiu tile till tilo tilr tilt tiou tirb tire tiri tirl tiro tirr tiru tite titi tito titt titu tiwi tlli tobe tobi tobo tobt tobu toee toei toer toet toie toil toit tol- tole toli toll tolo tolt tolu tool toor toot tore tori toro torr tort toru tote toti toto totr tott toui toul tour tout towe towl tre- tree trei treo tret treu trew tri- trib trie tril trio trit troe troi troo trot trou trow trte trtr trub true trut truu trwe ttbb tteo tter ttoe tttt ttul tubb tube tubo tubr tubu tuei tuel tuer tuet tuil tuit tuiu tule tuli tull tulo tulu tuor turb