bbbb bbdd bbdo bbeb bbet bbrg bd-r bdog bduf bebb bebe bebo bede bedo bedu beeb beed beef beeg beer beet befe beff befo beft begg bego begu beo- beod beof beor beot berd bere berg bero berr bert beru bete beto bett betu beur bfgf bftt bobb bobe bobo bobu bodb bode bodo bodu boee boef boeo boer boet bofd bofe boff bofu bogd boge bogg bogo bogt boob bood booe boof boog boor boot bor- bord bore borf borg boro borr bort boru botb botd bote boto bott boud boue bouf bour bout brdo brdt breb bred bree bref breg breo brer bret brfu brob brod broe brog broo bror brot brou brrr brud brue brug brut btdt btob btor btrt bttb bubb bube bubo bubu budb budd bude budg budo budu buer bueu bufe buff bufo bufr buge bugg bugo bur- burb burd bure burg buro burr burt buru but- bute buto butt d-bo dbfo dbtt dddd ddot ddre ddub debe debt debu dedd dede dedo dedu deeb deed deef deeg deer deet defe deff defg defo deft dege dego degu deor der- derb dere derf derg dero derr dete deto detr deue deur deut dfdt dfer dfoe dfrf dftg dftr dgeg dgge dobb dobe dobu dod- dodd dode dodg dodo doeg doer doff dog- doge dogg dogo dogu doob dood doof door doot dord dore dorf doro dorr dort doru dotd dote doto dott doub doud doue douf doug dour dout dred dree dref dreg dret drge drob drod drof drog drot drou drub drue drug drut druu dted dtor dtot dub- dubb dube dubu dudd dude dudo dudu duer duet duff dufu dugu duo- dure durg duro durt duru dute duur duut ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edde eddo ede- eder edfu edge edod edou edru edur eede eedu eeee eefe eerg eero eete eetu ef-g efbr efeo efet efor eft- eftu egbe egbu egee eger egfr eggb egge eggo ego- egor egot egre egte eode eore eotd eoto erbb erbe erde erdf ereb ered erer eret erft erg- ergg ergo erob erod eroe eroo erre erro ertu erub erur etbr etee eter etfb etfe etoe etre etro ette etto ettu eude euer euge eur- eure euro eurt fdot febo fede feeb feed feer feet fefe feff fefo fege fegg feod feof ferb ferd fere fero ferr fert feru fete fetr fett fetu feud ffee ffff ffrr fftf fobt fode foed foer fofo foge fogg fogo food foof foot for- forb ford fore forg foro forr fort fote foto fott foud foug four fout fred free freo fret frob froe frog frot frou frub frue frug fter ftgd ftub fubb fubu fudd fude fuet fuff fufu fuge fugo fugu fuor fur- fure furg furo furr furt fute futo futu gbbo gbde gddb gdfr gdor gdrt gebe gedd gede gedo gedu geed geer geet gefe geft gege gegg gego geo- geof geog gerb gerd gere gero gert geru getb gete getg geto gett geue gfer gfor ggbt ggfg gggg gobe gobo gode godo goed goef goer gofe goff gofr gofu gogo good goof goog goor goot gorb gord gore gorf gorg goro gorr gort gotd gote goto gott gou- goud gouf goug gour gout grbr greb gree gref greg gret greu grob grod grof grog groo gror grot grou grrr grub grue gruf grug grur grut gtbr gtfo gtoe gubb gubu gude gudo gudu guer guff gugb guge gugg gugu gurb gurd gure gurg guro gurr gurt guru gute guto gutt gutu o-eo obbo obdt obed ober obet oboe obor obot obre obro obtd odbo oddd oded odeo oder odet odoo odor odot odou odtu odur oedo oegb oere oeuf ofdr ofer off- offe offo offr offu ofgo ofor ofre ogb ogbe ogee oger ogfr ogge ogod ogog ogou ogre ogro oobe ooer ooff oooo oord oore oort ootb orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreg oreo orer orfe orff orfu orge orgo oro- oroe orof oror orot orro orte orto orub otbd oted otee oter oto- otoe otof otog otoo otor otre otro otte otto ottu otur oude oued ouer oufe ouff ouge our- oure ouro ourt out- outb oute outo ouu- rbbb rbbr rder rebb rebe rebo rebu redd rede redo redr redu reeb reed reef reet refd refe reff refg refr reft refu regd rege rego regr regt regu reod reof reog reot reou rerd rere rerg rero rert reru retd rete reto retr rett reue reuf reut reuu rfef rgbe rgtr rob- robb robe robo robt robu rodd rode rodo roed roeg roer roet rofe roff rofo roge rogg rogo roob rood roof roog roor root rore roro rort roru rote rotg roto rotr rott roub roud roue rouf rout rred rrrr rtbf rtdt rtee rtfb rubb rube rubu rudd rude rudo rued ruer ruet rufe ruff rufo ruft ruge rugg rurd rure ruro ruru rute ruto rutt rutu ruud tbrb tddb tdff tdor tebo tebu tedd tede teed teef teer teet teff teft tegg tego tegt tegu teor ter- tere terf tero terr teru tete teto tetr tett tetu teut tfeb tfot tobe tobo tobt tobu todd tode todo todt todu toed toee toer toet toff tofo toft tofu toge togo togr togt tood toof toor toot tord tore torf torg toro torr tort toru totd tote toto totr tott toug tour tout tre- tred tree tref treg treo tret treu trfd trfr trge trod troe trog troo trot trou trte trtr trub trud true trug trut truu ttbb tteo tter ttff ttoe tttt tubb tube tubo tubr tubu tude tudu tuer tuet tufe tuff tufo tuft tufu tugg tugu tuor turb turd ture turf turg turo turr turt turu tute tuto tutt tutu tuuo ubbe ubbo uber ubet ubod ubtf ubud uder udet udgb udge udoo udot ufer uffe ugeo uggo uggt ugod ugro ugur uguu uofg uofo uor- uore urbe urde urdu ure- ured uret urfe urff urft urge urgu