-ing bbbb bbin bbng bbox bgon bgun bibb bibi bibo bigb bigg bign bigo bigu biin bin- bing bini binn bino binu bio- biog bioi bion biou biox bixi bnib bnin bobb bobi bobo bobu bogg bogi bogo boi- boii boin boiu bong boni bonn bono bonu boob boog boon boox boun bubb bubi bubo bubu bugg bugi bugo buin buiu buix bunb bung buni bunn buno bunu buon gbbo gbon gggg gibb gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion gnib gnin gnoo gobi gobo gogi gogo goin gon- gong goni gonn gono gonu goog gooi goon gou- goug goun goux gubb gubi gubu gugb gugg gugi gugu guib guin gung gunn i-go i-no ibon ibox igbo igni igno ignu igon igoo iiii iiio iino iioi iioo inbo ingo inig inni inno innu ino- inoi inon inou inox inui inun iobi ioii ioio ioni ionn iono iooi iooo ioug ioun iuiu iuno ixxi n-ii nbbo ngio ngon ngou nguu nibi nibo nigg nigo niiu ning nini nino niog nion nioo niou nixi nngn nnnn nobi nobo nobu nogg nogo noib noin noio noix non- nong noni nonn nono nonu nonx noo- noob noon nooo noun nubi nuin nuix nung nunn nuno nuon obbo obin obix oboi obon obox ogb oggi ogin ogni ogog ogoi ogon ogou ogui ogun oigo oiii oion ongi ongo ongu onix onni onno onon oobi oooo ouii ouin oun- oung ouu- oxi- oxo- oxon oxox oxxo ubbi ubbo ubii ubon uggo ugni uguu ungo ungu uni- unii unin unio unix unni unno unon unox uuni uuno uuuu xbin xbox xggi xibo xibu xiii xing xinu xion xixi xong xoxo xuxu xxii xxix xxxi xxxo xxxx