bbbb bbci bcbc bcbg bccc bcci bcoz bibb bibi bibo bicc bicg bici bico bigb bigc bigg bigo bio- bioc biog bioi bizz bobb bobi bobo boco bogg bogi bogo boi- boii boob booc boog booz bozi bozo bzzz c-bo cbbc cbcc cbgb ccbc cccb cccc ccci ccgc ccic ccii ccob ccoc cgcc cgcg cibc cibi cibo cicc cici cico cigi ciii ciob cobb cobi cobo coco cogi cogo coob cozi cozz gbbo gc-c gcbc gccc gcic gcii gggg gibb gibz gigg gigi gigo giog gioi gizi gizo gizz gobi gobo gogi gogo goog gooi gozi gozo i-go icbc iccb iccc icci icco icgc icoc igbc igbo igcc igoo iiii iiio iioi iioo iobi iocg ioci ioii ioio iooi iooo izzo obbo oboi ocbc occc occi ogb oggi ogiz ogog ogoi oici oigo oiii oobi oooo oozi zibo zico zigg zigi zigo zizi zizz zobo zoco zogg zogi zogo zoic zoio zoo- zozo zzzz