-ing bbbb bbdd bbdo bbin bbng bdii bdin bdog bgon bgun bibb bibi bibo bidi bido bidu bigb bigd bigg bign bigo bigu biin bin- bind bing bini binn bino binu bio- biog bioi bion biou bnib bnin bobb bobi bobo bobu bodb bodi bodo bodu bogd bogg bogi bogo boi- boid boii boin boiu bond bong boni bonn bono bonu boob bood boog boon boud boun bubb bubi bubo bubu budb budd budg budi budo budu bugg bugi bugo buid buin buiu bunb bund bung buni bunn buno bunu buon d-bo dddd ddub dibb dibo didi dido didu digg digi digo diii din- ding dini dinn dino dinu dion diou dobb dobi dobu dod- dodd dodg dodi dodo dog- dogg dogi dogo dogu doid doig doin dond dong doni donn dono doob dood doon doub doud doug doun dub- dubb dubu dudd dudo dudu dugu duid duin dung dunn duno duo- duon gbbo gbon gddb gggg gibb gidd gidi gido gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion gnib gnin gnod gnoo gobi gobo godi godo gogi gogo goin gon- gond gong goni gonn gono gonu good goog gooi goon gou- goud goug goun gubb gubi gubu gudi gudo gudu gugb gugg gugi gugu guib guid guin gund gung gunn i-go i-no ibdo ibid ibon iddo idgo idid idig idin idio idno idog idon idub idun iduo igbo igni igno ignu igon igoo iiii iiio iino iioi iioo inbd inbo ind- indi indo indu ingo inid inig inni inno innu ino- inoi inon inou inui inun iobi iod- iodd iodo ioii ioio ioni ionn iono iooi iooo ioug ioun iuiu iuno n-ii nbbo nddb nddo ngio ngon ngou nguu nibi nibo nidd nidi nido nigg nigo niiu nind ning nini nino niog nion nioo niou nndb nngn nnnn nobi nobo nobu nodi nodo nodu nogg nogo noib noid noin noio non- nong noni nonn nono nonu noo- noob noon nooo noun nubi nudd nudi nudo nuin nung nunn nuno nuon obbo obid obin oboi obon odbo oddd oddi odin odio odiu odnb odon odoo odou ogb oggi ogin ogni ogod ogog ogoi ogon ogou ogui ogun oido oigo oiii oion ondi ondo ongi ongo ongu onni onno onod onon oobi oodi ooid oooo ouii ouin oun- ound oung ouu- ubbi ubbo ubid ubii ubod ubon ubud uddi udgb udid udig udin udon udoo udun uggo ugni ugod uguu unbd undi undo ungo ungu uni- unii unin unio unni unno unon uuni uuno uuuu