-ing bbbb bbin bbng bboy bbyo bgon bibb bibi bibo bigb bigg bign bigo biin bin- bing bini binn bino biny bio- biog bioi bion bnib bnin bobb bobi bobo boby bogg bogi bogo bogy boi- boii boin bong boni bonn bono bony boob boog boon boyg boyi boyn boyo bygg bygo byng byno byob byoi byon gbbo gbon gggg gibb giby gigg gigi gign gigo ging gini ginn gino giog gioi gion gnib gnin gnoo gobi gobo goby gogi gogo goin gon- gong goni gonn gono gony goog gooi goon gyn- gyng gyno i-by i-go i-no ibon ibyi igbo iggy igni igno igny igon igoo iiii iiio iino iioi iioo inbo inby ingo inig inni inno inny ino- inoi inon inyo iobi ioby ioii ioio ioni ionn iono iooi iooo iyng n-ii nbbo nboy ngio ngon nibi nibo nigg nigo ning nini nino niog nion nioo niyi nngn nnnn nobi nobo nogg nogo noib noin noio non- nong noni nonn nono noo- noob noon nooo noyo nyny nyon obbo obby obin oboi obon oboy ogb oggi oggy ogin ogni ogog ogoi ogon oigo oiii oion onby ongi ongo onni onno onon onoy oobi ooby oooo oyon ygon ying ynon yobi yobo yogi yogo yong yoni yono yoon yoyn yoyo yyyy