bbbb bbeb bebb bebe bebi bebo beeb beeg beek begg begi bego beik beke beki beko beo- beok bibb bibe bibi bibo bieb bigb bige bigg bigo bike biko bio- biog bioi bobb bobe bobi bobo boee boeo boge bogg bogi bogo boi- boie boii boke boki boko boob booe boog book ebbo eboe eboo eeee eeke egbe egee eggb egge eggi eggo ego- egoi eiei eige eigg eike eiki eiko ekeb ekek ekki ekoi gbbo gebe gebi geek gege gegg gego geie geig geki geko geo- geog gggg gibb gibe gige gigg gigi gigo giog gioi gobe gobi gobo gogi gogo goke goog gooi gook i-be i-go ibeg ibge ibie ieie ieio igbo igoe igoo iiie iiii iiio iioi iioo ikee ikig ikki ikko ikoo iobi ioee ioii ioio ioke ioko iooi iooo kbbb kbbe kbbg kbbi kbbk kbbo kbeb kbee kbek kbeo kbgb kbge kbgg kbgo kbib kbie kbig kbik kbio kbkb kbkg kbkk kbko kbob kboe kboi kbok kboo kebb kebe kebi keek kege kegg kegi kegk keib keig keii keik keio kekb keke keki keko keok kgbb kgeb kgeo kggg kggi kggo kgio kgoe kibb kibe kibg kibi kibo kigo kiii kiik kiki kikk kiko kioe kioi kiok kioo kkbb kkbe kkbg kkbi kkbo kkeg kkgb kkgo kkik kkkk kkob kkoo kobb kobe kobi kobk kobo koei kogb koge kogg kogi kogo koii kokb koke koki kokk koko koob koog kooi kook kooo o-eo obbo obie obkb oboe oboi obok oegb ogb ogbe ogee ogge oggi ogog ogoi oigo oiii oike oiko okgo okie okko okok oobe oobi oooo