bbbb bbci bcbc bcbg bccc bcci bcuc bibb bibi bibo bicc bicg bici bick bico bigb bigc bigg bigo bigu biko biku bio- bioc biog bioi biou bobb bobi bobo bobu bock boco bocu bogg bogi bogo boi- boii boiu boki boko boku boob booc boog book bouk bubb bubi bubo bubu bucc buci buck buco bucu bugg bugi bugo buic buik buiu buki bukk buko buku c-bo cbbc cbcc cbcu cbgb cbkg cbko ccbc cccb cccc ccci cccu ccgc ccic ccii ccob ccoc ccuc cgcc cgcg cibc cibi cibo cicc cici cico cicu cigi cigu ciii ciko ciob ciuc ckbc ckbi ckck ckco ckgo ckob ckoc ckoi ckoo cobb cobi cobo cobu cock coco cocu cogi cogo cok- coko coob cook coub couk cub- cubb cubi cucc cuci cuck cui- cuk- gbbo gc-c gcbc gccc gcic gcii gggg gibb gick gigg gigi gigo giku giog gioi gobi gobo gogi gogo goku goog gooi gook gou- goug gouk gubb gubi gubu guci guck gugb gugg gugi gugu guib guik i-go icbc iccb iccc icci icco iccu icgc icoc icub igbc igbo igcc igkc igoo iiii iiio iioi iioo iiuc ikig ikki ikko ikoo ikuo iobi iocg ioci ioii ioio ioko iooi iooo ioug iucc iuiu k-ci kbbb kbbc kbbg kbbi kbbk kbbo kbbu kbcb kbci kbck kbco kbcu kbgb kbgg kbgo kbib kbic kbig kbik kbio kbiu kbkb kbkg kbkk kbko kbob kboc kboi kbok kboo kbub kbuc kbuk kbuu kcbc kcbi kcbk kcbu kccb kccc kcci kcck kccu kcgc kcgi kcic kcii kciu kckc kckk kcko kcob kcog kcou kcub kcui kcuk kgbb kgbc kgcb kgcc kggg kggi kggo kgio kgou kibb kibc kibg kibi kibo kibu kicb kicc kicg kick kigc kigo kiic kiii kiik kiiu kikc kiki kikk kiko kiku kioc kioi kiok kioo kiou kiuu kkbb kkbg kkbi kkbo kkcb kkci kkck kkco kkgb kkgo kkic kkik kkkk kkob kkoo kkuu kobb kobc kobi kobk kobo kobu kocb koci kock kogb kogg kogi kogo kogu koii kokb kokc koki kokk koko koku koob kooc koog kooi kook kooo koou koub koui kouu kubb kubc kubo kubu kucb kucc kuci kuco kugb kugo kuic kuik kuki kukk kuku kuok kuoo kuub kuuk kuuu obbo obkb oboi obok ocbc occc occi ogb oggi ogog ogoi ogou ogui oici oick oigo oiii oiko okcu okgo okic okko okok oobi ooku oooo oucc ouii ouu- ubbi ubbo ubic ubii ubik uboc ucbc ucci ucio ugcc ugcg uggo uguu ukcc ukko ukok uocc uuoc uuuu