bbbb bbdd bbdo bbfn bbng bdog bduf bfgf bgon bgun bobb bobo bobu bodb bodo bodu bofd boff bofu bogd bogg bogo bond bong bonn bono bonu boob bood boof boog boon boud bouf boun bubb bubo bubu budb budd budg budo budu buff bufo bugg bugo bunb bund bung bunn buno bunu buon d-bo dbfo dddd ddub dobb dobu dod- dodd dodg dodo doff dog- dogg dogo dogu dond dong donn dono doob dood doof doon doub doud douf doug doun dub- dubb dubu dudd dudo dudu duff dufu dugu dung dunn duno duo- duon ffff ffun fndd fndg fndn fnuf fofo fogg fogn fogo fond fong fono food foof foon foud foug foun fubb fubu fudd fuff fufu fugo fugu fund funf fung gbbo gbon gddb gdnf ggfg gggg gnod gnof gnoo gobo godo goff gofu gogo gon- gond gong gonn gono gonu good goof goog goon gou- goud gouf goug goun gubb gubu gudo gudu guff gugb gugg gugu gund gung gunn nbbo nbuf nddb nddo nfff nfon ngon ngou nguu nndb nngn nnnn nobo nobu nodo nodu nogg nogo non- nong nonn nono nonu noo- noob noon nooo noun nudd nudo nuff nung nunn nuno nuon obbo obon odbo oddd odnb odon odoo odou off- offo offu ofgo ofno ogb ogod ogog ogon ogou ogun ondo ongo ongu onno onod onon ooff oooo ouff oun- ound oung ouu- ubbo ubod ubon ubud udgb udon udoo udun uggo ugod uguu unbd undo unfd ungo ungu unno unon uofg uofo uuno uuuu