bbbb bbdd bbdo bbeb bbet bdog bebb bebe bebo bede bedo bedu beeb beed beeg beet begg bego begu beo- beod beot bete beto bett betu bobb bobe bobo bobu bodb bode bodo bodu boee boeo boet bogd boge bogg bogo bogt boob bood booe boog boot botb botd bote boto bott boud boue bout btdt btob bttb bubb bube bubo bubu budb budd bude budg budo budu bueu buge bugg bugo but- bute buto butt d-bo dbtt dddd ddot ddub debe debt debu dedd dede dedo dedu deeb deed deeg deet dege dego degu dete deto deue deut dgeg dgge dobb dobe dobu dod- dodd dode dodg dodo doeg dog- doge dogg dogo dogu doob dood doot dotd dote doto dott doub doud doue doug dout dted dtot dub- dubb dube dubu dudd dude dudo dudu duet dugu duo- dute duut ebbo ebed eboe eboo edde eddo ede- edge edod edou eede eedu eeee eete eetu egbe egbu egee eggb egge eggo ego- egot egte eode eotd eoto etee etoe ette etto ettu eude euge gbbo gbde gddb gebe gedd gede gedo gedu geed geet gege gegg gego geo- geog getb gete getg geto gett geue ggbt gggg gobe gobo gode godo goed gogo good goog goot gotd gote goto gott gou- goud goug gout gtoe gubb gubu gude gudo gudu gugb guge gugg gugu gute guto gutt gutu o-eo obbo obdt obed obet oboe obot obtd odbo oddd oded odeo odet odoo odot odou odtu oedo oegb ogb ogbe ogee ogge ogod ogog ogou oobe oooo ootb otbd oted otee oto- otoe otog otoo otte otto ottu oude oued ouge out- outb oute outo ouu- tddb tebo tebu tedd tede teed teet tegg tego tegt tegu tete teto tett tetu teut tobe tobo tobt tobu todd tode todo todt todu toed toee toet toge togo togt tood toot totd tote toto tott toug tout ttbb tteo ttoe tttt tubb tube tubo tubu tude tudu tuet tugg tugu tute tuto tutt tutu tuuo ubbe ubbo ubet ubod ubud udet udgb udge udoo udot ugeo uggo uggt ugod uguu utto uttu utug uuuu