bbbb bbci bcbc bccc bcci bcvo bibb bibi bibo bicc bici bico biji bio- bioc bioi bivi bjcc bobb bobi bobo boco boi- boii boji bojo boob booc bovi bovo c-bo cbbc cbcc cbvb ccbc cccb cccc ccci cccv ccic ccii cciv ccjo ccob ccoc ccvi ccvo cibc cibi cibo cicc cici cico ciii ciob civc civo cjbc cjcb cjcj cjic cjob cjoi cjvb cobb cobi cobo coco cojo coob covo cvcc cvii icbc iccb iccc icci icco icoc iiii iiio iioi iioo ijji iobi ioci ioii ioio iooi iooo ivbv ivic jbob jcbc jccc jcci jcvi jibb jibi jiji jjcc jobo joco joio joji jojo jovi jovo obbo oboi obvi ocbc occc occi oici oiii oobi ooij ooji oooo ovi- ovo- ovoo vbcc vcbi vcci vic- vici vico viii viji vivi vivo voic voio vooc vvob vvvv