cccc ccci ccic ccii ccir ccnc ccni ccnr ccoc ccrc ccri cicc cici cico cicr ciii cin- cinc cini cino cion cior circ ciri ciro cirr cnci cnco cnic cnrc cnrr coco coin coir con- conc coni conn cono coon cor- corc cori corn coro corr crcc crcr cric crin croc cron croo cror i-no iccc icci iccn icco iccr icnc icoc icon icor icrc icrr iiii iiio iino iioi iioo iirc inci inco incr inni inno innr ino- inoi inon inor inri inro ioci ioii ioio ioni ionn iono iooi iooo iori ircc iri- iric irin irio iroc iron irrc irri n-ii nccc ncci nccn nccr ncnc ncoc ncor ncrc ncri nicc nici nico niir nini nino nion nioo niro nnnn noci noco noin noio noir non- noni nonn nono noo- noon nooo noor nor- norc nori norn noro norr nric nroc nron nrrc occc occi occn ocin ocon ocro ocrr oici oiii oion onc- onco onic onir onni onno onon onor oocr oooo orci orco ori- oric orin orio ornc orni orno oro- oron oror orri orro rccc rcic rcnr rcon ricc rico riin rinn rino rion riri rnco rnin rocc roco roin roio roir ronc roni rono rooi roon roor rorc rori roro rrrr