bbbb bbci bbin bcbc bccc bcci bcvo bibb bibi bibo bicc bici bico biin bin- binc bini binn bino bio- bioc bioi bion bivi bnib bnin bnoc bobb bobi bobo boco boi- boii boin bonc boni bonn bono boob booc boon bovi bovo c-bo cbbc cbcc cbcn cbvb cbvn ccbc ccbn cccb cccc ccci cccv ccic ccii cciv ccnb ccnc ccni ccob ccoc ccvi ccvo cibc cibi cibo cicc cici cico ciii cin- cinc cini cino cinv ciob cion civc civo cnbc cnci cnco cnib cnic cobb cobi cobo coco coin con- conc coni conn cono conv coob coon covo cvcc cvii i-no ibon icbc iccb iccc icci iccn icco icnb icnc icoc icon iiii iiio iino iioi iioo inbo incb inci inco inni inno ino- inoi inon iobi ioci ioii ioio ioni ionn iono iooi iooo ivbv ivic ivin ivon n-ii nbbc nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn ncnc ncoc nibi nibo nicc nici nico nini nino nion nioo nivo nnnn nobc nobi nobo noci noco noib noin noio non- noni nonn nono noo- noob noon nooo noov nov- novi novo nvcc obbo obin oboi obon obvi ocbc occc occi occn ocin ocon oici oiii oion onc- onco onic onni onno onon oobi oooo ovi- ovni ovo- ovon ovoo vbcc vcbi vcci vcon vic- vici vico viii vinc vini vino vion vivi vivo voic voin voio voni vonn vooc vvob vvvv