-ing bbbb bbin bbng bbox bgon bgun bibb bibi bibo bigb bigg bign bigo bigt bigu biin bin- bing bini binn bino bint binu bio- biog bioi bion biot biou biox bito bitt bitu bitx bixi bnib bnin bobb bobi bobo bobu bogg bogi bogo bogt boi- boii boin boit boiu bong boni bonn bono bont bonu boob boog boon boot boox botb boti botn boto bott boun bout btob bttb bubb bubi bubo bubu bugg bugi bugo buin buit buiu buix bunb bung buni bunn buno bunt bunu buon but- buti buto butt gbbo gbon ggbt gggg gibb gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion gito gnib gnin gnit gnoo gnti gobi gobo gogi gogo goin goit gon- gong goni gonn gono gonu goog gooi goon goot goti goto gott gou- goug goun gout goux gubb gubi gubu gugb gugg gugi gugu guib guin gung gunn gunt guti guto gutt gutu i-go i-no ibon ibot ibox ibtb igbo igni igno ignu igon igoo igot iiii iiio iiit iino iioi iioo iitt inbo ingo inig init inni inno innu ino- inoi inon inot inou inox intg inti intn into intu inui inun iobi iogt ioii ioio ioit ioni ionn iono iooi iooo ioto ioug ioun itgo itin itno itoi iton itoo itou itto iuiu iuno ixxi n-ii nbbo nbti ngio ngon ngou ngtn nguu nibi nibo nigg nigo nigt niit niiu ning nini nino niog nion nioo niou nitb niti nito nixi nixt nngn nnit nnnn nnot nntn nobi nobo nobu nogg nogo nogt noib noin noio noit noix non- nong noni nonn nono nont nonu nonx noo- noob noon nooo noot not- noti noto nott noun nout ntnu ntto ntui nubi nuin nuit nuix nung nunn nuno nunt nuon nutt nutu obbo obin obit obix oboi obon obot obox ogb oggi ogin ogni ogog ogoi ogon ogou ogui ogun oigo oiii oint oion oiti ongi ongo ongu onit onix onni onno onon ont- onti onto onut oobi oont oooo ootb otin otit oto- otog oton otoo otti otto ottu ouii ouin ouit oun- oung out- outb outi outo ouu- oxi- oxo- oxon oxox oxxo tbit tbox tibi tibu tigi tiit tiiu ting tini tinn tino tint tinu tion tiou titi tito titt titu tixt tnut tobi tobo tobt tobu togo togt toit tonb tong toni tonn tono tonu toon toot toti toto tott toug toui toun tout tox- toxi toxo toxt ttbb tton tttt tubb tubo tubu tugg tugu tuig tuin tuit tuiu tuix tunb tung tuni tunn tuno tunu tuti tuto tutt tutu tuuo txii ubbi ubbo ubii ubit ubon uggo uggt ugni uguu uint ungo ungu uni- unii unin unio unit unix unni unno unon unox untb unto unut utin utti utto uttu utug uuni uuno uuuu xbin xbox xggi xibo xibu xiii xing xinu xion xito xixi xong xout xoxo xuxu xxii xxix xxxi xxxo xxxx