-ing bbbb bbci bbin bbng bcbc bcbg bccc bcci bcnu bcuc bgon bgun bibb bibi bibo bicc bicg bici bico bigb bigc bigg bign bigo bigu biin bin- binc bing bini binn bino binu bio- bioc biog bioi bion biou bnib bnin bnoc bobb bobi bobo bobu boco bocu bogg bogi bogo boi- boii boin boiu bonc bong boni bonn bono bonu boob booc boog boon boun bubb bubi bubo bubu bucc buci buco bucu bugg bugi bugo buic buin buiu bunb bung buni bunn buno bunu buon c-bo cbbc cbcc cbcn cbcu cbgb ccbc ccbn cccb cccc ccci cccu ccgc ccic ccii ccnb ccnc ccni ccnu ccob ccoc ccuc cgcc cgcg cibc cibi cibo cicc cici cico cicu cigi cigu ciii cin- cinc cing cini cino ciob cion ciuc cnbc cnci cnco cngi cnib cnic cobb cobi cobo cobu coco cocu cogi cogo coin con- conc cong coni conn cono coob coon coub coun cub- cubb cubi cucc cuci cucn cui- cuin cuno cuon gbbo gbon gc-c gcbc gccc gcic gcii gggg gibb gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion gncc gngc gnib gnin gnoo gobi gobo gogi gogo goin gon- gong goni gonn gono gonu goog gooi goon gou- goug goun gubb gubi gubu guci gugb gugg gugi gugu guib guin gung gunn i-go i-no ibon icbc iccb iccc icci iccn icco iccu icgc icnb icnc icoc icon icub igbc igbo igcc igni igno ignu igon igoo iiii iiio iino iioi iioo iiuc inbo incb inci inco ingo inig inni inno innu ino- inoi inon inou inui inun iobi iocg ioci ioii ioio ioni ionn iono iooi iooo ioug ioun iucc iuiu iuno n-ii nbbc nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn nccu ncnc ncoc ngic ngio ngon ngou nguu nibi nibo nicc nici nico nicu nigc nigg nigo niiu ning nini nino niog nion nioo niou nngn nnnn nobc nobi nobo nobu noci noco nogg nogo noib noin noio non- nong noni nonn nono nonu noo- noob noon nooo noun nubc nubi nuci nucu nuin nunc nung nunn nuno nuoc nuon obbo obin oboi obon ocbc occc occi occn ocin ocon ogb oggi ogin ogni ogog ogoi ogon ogou ogui ogun oici oigo oiii oion onc- onco ongi ongo ongu onic onni onno onon oobi oooo oucc ouii ouin oun- oung ouu- ubbi ubbo ubic ubii uboc ubon ucbc ucci ucin ucio ucon ugcc ugcg uggo ugni uguu uncc uncg unci unco ungo ungu uni- unic unii unin unio unni unno unon uocc uuni uuno uuoc uuuu