-ing bbbb bbch bbci bbin bbng bcbc bcbg bccc bcci bcit bctc bght bgon bhcc bhit bhog bhoi bhot bibb bibi bibo bicc bicg bich bici bico bigb bigc bigg bign bigo bigt bihi biin bin- binc bing binh bini binn bino bint bio- bioc biog bioi bion biot bitc bith bito bitt bnib bnin bnoc bobb bobi bobo boch boco bogg bogh bogi bogo bogt bohn boho boht boi- boii boin boit bonc bong boni bonn bono bont boob booc boog booh boon boot botb both boti botn boto bott btcc btob bttb c-bo cbbc cbcc cbcn cbct cbgb cbit cbot cbtc ccbc ccbn cccb cccc ccci ccgc ccgt ccic ccii ccnb ccnc ccni ccob ccoc cctb cctc cctt cgcc cgcg chch chci chgb chgn chib chic chig chih chin chit chnb chnc chno choc choh choi chon choo chto chtt cibc cibi cibo cicc cich cici cico cict cigi ciht ciii ciit cin- cinc cing cini cino cint ciob cion citb citg cith citi cito citt cnbc cnci cnco cngi cnib cnic cnih cnoh cntc cobb cobh cobi cobo coch coco coct cogh cogi cogo cohn coho coin coit con- conc cong coni conn cono cont coob cooh coon coot cotb cotc coth coti cotn coto cott ctbi ctic ctot cttn gbbo gbon gc-c gcbc gccc gcic gcii gctc ggbt gggg gghg ghib ghit ghoi ghon gibb gibh gigg gigi gign gigo ging gini ginn gino giog gioi gion gith gito gncc gngc gnib gnin gnit gnoo gnti gobi gobo goch gogh gogi gogo gohb goin goit gon- gong goni gonn gono goog gooi goon goot goth goti goto gott gtco h-ii hbic hbio hbit hboc hcbc hccb hccc hcch hcgh hchi hcng hggc hgtc hhgg hhhh hi-c hibi hibt hicc hich hico high higi higt hihc hihi hiho hiht hiit hinc hing hinn hino hint hiob hioc hitc hiti hito hitt hnoi hntb hobo hoch hocn hogg hogh hogi hogo hohn hoho hoit hong honi hono hont hoon hoot hotb hoth hoti hoto hott htcc htoh i-go i-no ibon ibot ibtb ibtc icbc iccb iccc icci iccn icco icct icgc ichc ichi icho icnb icnc icoc icon igbc igbo igcc ight igni igno igon igoo igot ihcc ihit ihob ihtc iiht iiii iiio iiit iino iioi iioo iitt inbo incb inch inci inco ingo inig init inni inno ino- inoi inon inot intg inti intn into iobi iocg ioci iogt ioii ioio ioit ioni ionn iono iooi iooo ioto itch itgc itgo ithc itic itin itno itoh itoi iton itoo itto n-ii nbbc nbbo nbcc nbci nbco nbic nbti ncbc ncbi nccc ncci nccn ncct nchc ncit ncnc ncoc nctc ngic ngio ngon ngtn nhcc nhnn nhon nibi nibo nicc nich nici nico nigc nigg nigh nigo nigt niht niit ning ninh nini nino niog nioh nion nioo nitb nitc nith niti nito nngn nnit nnnn nnot nntn nobc nobi nobo noch noci noco noct nogg nogh nogo nogt nohn noho noht noib noin noio noit non- nong noni nonn nono nont noo- noob noon nooo noot not- noth noti noto nott ntbc ntcc nthn ntht ntto obbo obin obit oboi obon obot ocbc occc occi occn occt ochi ocht ocin ocon oct- octi octo ogb oggi oghi oght ogin ogni ogog ogoi ogon ohcc ohhi ohho ohio ohno ohob ohoh ohto oici oigo oiii oint oion oitc oiti onc- onco onct ongi ongo onic onit onni onno onon ont- ontc onti onto oobi ooho oont oooh oooo ootb otho otic otin otit oto- otog otoh oton otoo otti otto tbcb tbcc tbit tccc tch- tchh tchi tcho tcnn tcon tctc tgcc tgtc thch thi- thic thig thin thio thnt thog thon thoo thot thtb tibi ticc tich tico tigh tigi tiht tiit tinc ting tini tinn tino tint tion titc tith titi tito titt tnbc tncc tobi tobo tobt toch toci toco togh togo togt tohi toho toit tonb tong tonh toni tonn tono tooh toon toot totc toth toti toto tott ttbb ttcn tton tttt