bbbb bbci bbin bcbc bccc bcci bibb bibi bibo bicc bici bico biin biji bin- binc bini binn bino bio- bioc bioi bion bjcc bjni bnib bnin bnoc bobb bobi bobo boco boi- boii boin boji bojo bonc boni bonn bono boob booc boon c-bo cbbc cbcc cbcn ccbc ccbn cccb cccc ccci ccic ccii ccjo ccnb ccnc ccni ccob ccoc cibc cibi cibo cicc cici cico ciii cin- cinc cini cino ciob cion cjbc cjcb cjcj cjic cjnb cjob cjoi cjon cnbc cnci cnco cnib cnic cnnj cobb cobi cobo coco coin cojo con- conc coni conj conn cono coob coon i-no ibon icbc iccb iccc icci iccn icco icnb icnc icoc icon iiii iiio iino iioi iioo ijji inbo incb inci incj inco inji inni inno ino- inoi inoj inon iobi ioci ioii ioio ioni ionn iono iooi iooo jbob jcbc jccc jcci jibb jibi jiji jini jinn jion jjcc jnco jobo joco join joio joji jojo joni jonn jono joon n-ii nbbc nbbj nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn ncnc ncoc nibi nibo nicc nici nico niji nini nino nion nioo njoi nnnn nobc nobi nobo noci noco noib noin noio noji non- noni nonn nono noo- noob nooj noon nooo obbo obin oboi obon ocbc occc occi occn ocin ocon oici oiii oion onc- onco onic onni onno onon oobi ooij ooji oooo