bbbb bbgm bbmg bbng bboy bbyo bgon bgun bobb bobo bobu boby bogg bogo bogy bomb bomu bomy bong bonn bono bonu bony boob boog boom boon boum boun bouy boyg boyn boyo bubb bubo bubu bugg bugo bum- bumb bunb bung bunn buno bunu buon buoy buyo buyu bygg bygo byng byno byob byon byun gbbo gbon gggg gnom gnoo gobo goby gogo gomb gomn gomo gomu gon- gong gonn gono gonu gony goog goom goon gou- goug goum goun gouy goym gubb gubu guby gugb gugg gugu gumb gumm gumo gung gunn guny guyu gyn- gyng gyno gyuu mbou mmgn mmmm mmun mmyy mnbb mobb mobo moby mogg mogo mogu momo momu momy mon- mong monn mono monu mony moob moog moon moun mouy moyn moyo moyu mubo mugg mugo mugu mumm mumo mumu mumy mung munn muno munu muon mybb mymy myng myo- myob myon nbbo nboy ngmn ngom ngon ngou nguu nmon nngn nnnn nobm nobo nobu nogg nogo nom- nomo nomu nomy non- nong nonn nono nonu noo- noob noon nooo noun noyo nuby numb numm numu nung nunn nuno nuny nuon nyny nyom nyon obbo obby obon oboy ogb oggy ogog ogon ogou ogum ogun ombo ombu omn- omo- omon omoo omuo onby ongo ongu onmy onno onon onoy onym ooby oooo oun- oung ouu- oyon oyou oyun ubbo ubon uggo ugny uguu umb- umbo umgo ummg ummo umno ungo ungu unno unon unum uomo uuno uuuu uuyn ygon ygun yguo ynon ynou ynug yobo yogo yomo yong yono yoon youb yoyn yoyo yubu yugg yugo yugu yung yuny yuon yuyu yyyy