bbbb bbci bbin bbrc bcbc bccc bcci bcor bibb bibi bibo bicc bici bico biin biji bin- binc bini binn bino bio- bioc bioi bion birb biri birn biro birr bjcc bjni bnib bnin bnoc bnor bnrr bobb bobi bobo boco boi- boii boin boji bojo bonc boni bonn bono boob booc boon boor bor- bori borj born boro borr brcb bric brin brio brnj brno brob broc bron broo bror brrr c-bo cbbc cbcc cbcn cbcr cbir cbrj cbrn ccbc ccbn cccb cccc ccci ccic ccii ccir ccjo ccnb ccnc ccni ccnr ccob ccoc ccrc ccri cibc cibi cibo cicc cici cico cicr ciii cin- cinc cini cino ciob cion cior cirb circ ciri ciro cirr cjbc cjcb cjcj cjic cjnb cjnr cjob cjoi cjon cjor cjrb cjrc cjrj cjrn cnbc cnci cnco cnib cnic cnnj cnrc cnrr cobb cobi cobo coco coin coir cojo con- conc coni conj conn cono coob coon cor- corb corc cori corn coro corr crbc crcc crcr crib cric crin crob croc cron croo cror i-no ibon ibrc ibri ibro icbc iccb iccc icci iccn icco iccr icnb icnc icoc icon icor icrc icrr iiii iiio iino iioi iioo iirc ijji inbo incb inci incj inco incr inji inni inno innr ino- inoi inoj inon inor inri inro iobi ioci ioii ioio ioni ionn iono iooi iooo iori ircc iri- iric irin irio irob iroc iron irrc irri j-ro jbob jcbc jccc jcci jcrc jibb jibi jiji jini jinn jion jiri jiro jjcc jnco jobo joco join joio joji jojo joni jonn jono joon joor jorn joro jrbr n-ii nbbc nbbj nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn nccr ncnc ncoc ncor ncrc ncri nibi nibo nicc nici nico niir niji nini nino nion nioo niro njoi nnnn nobc nobi nobo noci noco noib noin noio noir noji non- noni nonn nono noo- noob nooj noon nooo noor nor- norb norc nori norn noro norr nric nroc nron nrrc obbo obin oboi obon obor obri obro ocbc occc occi occn ocin ocon ocro ocrr oici oiii oion onc- onco onic onir onni onno onon onor oobi oocr ooij ooji oooo orbb orbi orbo orci orco ori- oric orin orio orji ornc orni orno oro- oron oror orri orro rbbb rbbr rcbc rcbo rccb rccc rcic rcnr rcon rib- ribo ricc rico riin riji rijn rijo rinn rino rion riri rnbr rnco rnin rob- robb robi robo rocc roco roin roio roir roji rojo ronc roni rono roob rooi roon roor rorc rori roro rrrr