bbbb bbdd bbdo bbfn bblb bbox bdmx bduf bffl blno blob blod blom blon bloo blou blub blud bluf blum bmdb bnml bobb bobo bobu bodb bodo bodu bofd boff bofu bold boll bolm boln bolo bolu bomb bomu bond bonn bono bonu boob bood boof bool boom boon boox boud bouf boul boum boun bubb bubo bubu budb budd budl budo budu buff bufo bulb buld bull bulu bum- bumb bumf bunb bund bunn buno bunu buol buon d-bo dbfo dbfx dbnl dddd ddub dlbd dlux dmbf do-x dobb dobl dobu dod- dodd dodo doff dold dolf doll dolo dolu domb domm domn domo dond donn dono doob dood doof dool doom doon doub doud douf doul doum doun doux dub- dubb dubu dudd dudo dudu duff dufu dull dulo dulu dumb dumm dunn duno duo- duon duul dxbl dxbm dxbn dxfm dxfx dxll dxmf dxmx dxnd dxnu dxol dxom dxum dxxl dxxx fbom fdml fdnm fdom ffff ffun flmb flnb flob flod flom flon floo flou flox flub flud fluf flum fluo flux fmno fmod fndd fndn fnuf fofo fold foll folo folx fomo fond fono food foof fool foom foon foud foul foun foxx fubb fubu fudd fuff fufu full fulu fumo fund funf funx fuxl fxdd fxml lddm lldb llll llod lloo llud lmbo lmfm lmln lmmx lmno lndn lob- lobb lobo loff lofn lold loll lolo lomb lomm lomo lomu lond lono loob lood loof lool loom loon loud loul loum loun louu loux lox- loxo ludd ludo luff lufu lull lulu lumb lumo lund lunn luno luxo lxxx mbdb mbou mbox mdbf mddl mddm mdlx mdmf mdmx mdnx mdud mdxl mfbm mfou mlxx mmdb mmdf mmdl mmdx mmfd mmff mmmd mmmm mmod mmun mmxl mmxx mnbb mndo mobb mobo modd modo modu modx moff mofo mofu mold moll moln molo momo momu mon- mond monn mono monu moob mood mool moon moud mouf moul moun moux moxo mubo mudd mudl mudu muff mufu muld mull mulm mulo mulu mumm mumo mumu mund munn muno munu muon muxu mxlo mxml nbbo nbfl nbuf ndbm nddb nddo ndom nfff nfld nfon nmff nmml nmon nndb nnnn nobm nobo nobu nodo nodu nofx nold nolf noll nolo nom- nomo nomu non- nonn nono nonu nonx noo- noob nool noon nooo noul noun nubl nudd nudo nuff nufx null numb numm numu nunn nuno nuon nxdn nxfm obbo oblu obol obon obox odbo oddd odnb odom odon odoo odou odum off- offo offu ofml ofno olbo oldb oldn ollo olmo olof olom olon olux ombo ombu omdb omn- omo- omon omoo omox omul omuo ondo onlf onno onod onon ooff oold oolo oooo ouff ould oulu oulx oun- ound ouu- oxo- oxof oxon oxox oxud oxuf oxxo ubbo ublo ubod ubon ubud udon udoo udox udun ullo ulmo ulmu ulno ulo- ulul ulum umb- umbo umff ummo umno umol unbd undo unfd unlf unno unon unox unum uofl uofm uofo uoml uomo uulu uuno uuuu uxul xbox xdmf xdmx xdxf xldb xlox xmdf xolo xoom xoxo xuld xumo xuxu xxxo xxxx