-ing bbbb bbfn bbin bbng bfgf bftt bftz bgon bibb bibi bibo biff bifi bigb bigg bign bigo bigt biin bin- bing bini binn bino bint binz bio- biog bioi bion biot bito bitt bitz bizz bnib bnin bobb bobi bobo boff bogg bogi bogo bogt boi- boii boin boit bong boni bonn bono bont boob boof boog boon boot booz botb boti botn boto bott bozi bozo btob bttb bzzt bzzz ffff ffii fftf fgoz fiff fifi fifo fift figg figo fiii fing fini finn fino fint fion fiti fitt fitz fizz fntb fobt fofo fogg fogi fogn fogo foin fong fono font fonz foof foon foot foti foto fott ftii fzzt gbbo gbon ggbt ggfg gggg gibb gibz giff gift gigg gigi gign gigo ging gini ginn gino giog gioi gion gito gizi gizo gizz gnib gnin gnit gnof gnoo gnti gobi gobo goff gogi gogo goif goin goit gon- gong goni gonn gono goof goog gooi goon goot goti goto gott gozi gozo gtfo gzin i-go i-no ibfi ibon ibot ibtb ifbb ifit ifni ifno iftn ifto igbo igni igno igon igoo igot iiii iiio iiit iino iioi iioo iitt inbo infi info ingo inig init inni inno ino- inoi inon inot inoz intg inti intn into iobi iogt ioii ioio ioit ioni ionn iono ioof iooi iooo iotf ioto itgo itif itin itno itof itoi iton itoo ittf itto izon izzo n-ii nbbo nbti nfff nfib nfon nfto ngio ngon ngtn nibi nibo niff nift nigg nigo nigt niit ning nini nino niog nion nioo nitb nitf niti nito nitz nngn nnit nnnn nnot nntn nobi nobo nofi nogg nogo nogt noib noif noin noio noit non- nong noni nonn nono nont noo- noob noon nooo noot not- noti noto nott nozi ntof ntoz ntto obbo obin obit oboi obon obot off- offo ofgo ofit ofno ofoz ogb oggi ogin ogiz ogni ogog ogoi ogon oigo oiii oint oion oiti oitz ongi ongo onit onni onno onon onoz ont- onti onto onzo oobi ooff oont oooo ootb oozi otif otin otit oto- otof otog oton otoo otti otto otzi ozon tbit tbnf tfin tfot tgif tibi tiff tifo tift tigi tiit ting tini tinn tino tint tion titi tito titt titz tizi tizz tobi tobo tobt toff tofi tofo toft togo togt toit tonb tong toni tonn tono toof toon toot toti toto tott tozo ttbb ttff ttfn tton tttt tzzt zgon zibo ziff zift zigg zigi zigo zinf zing zinn zino zion ziti zito zizi zizz znng zobo zoff zogg zogi zogo zoio zon- zong zoni zoo- zoon zoot zoti zott zotz zozo zzzz