cccc ccci ccic ccii ccir ccnc ccni ccnr ccny 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 cony coon cor- corc cori corn coro corr cory coyn coyo coyr crcc crcr cric crin croc cron croo cror croy cry- cryn cryo cyc- cycc cyn- cyno cyon cyy- cyyc cyyn i-no iccc icci iccn icco iccr icnc icoc icon icor icrc icrr icry iiii iiio iino iioi iioo iirc inci inco incr incy inni inno innr inny ino- inoi inon inor inri inro inyo ioci ioii ioio ioni ionn iono iooi iooo iori ircc iri- iric irin irio iriy iroc iron irrc irri iryn n-ii nccc ncci nccn nccr ncnc ncoc ncor ncrc ncri nicc nici nico nicy niir nini nino nion nioo niro niyi nnnn noci noco noin noio noir non- noni nonn nono noo- noon nooo noor nor- norc nori norn noro norr nory noyo nric nroc nron nrrc nycc nyco nycy nyny nyon nyro occc occi occn ocin ocon ocro ocrr oici oiii oion oiry onc- onco onic onir onni onno onon onor onoy oocr oooo oory orci orco ori- oric orin orio ornc orni orno orny oro- oron oror oroy orri orro orry oyon oyri rccc rcic rcnr rcon rcyc ricc rico riin rinn rino riny rion riri riyo rnco rnin rocc roco roin roio roir ronc roni rono rony rooi roon roor rorc rori roro rory royn rrrr rynn ryon yccc yirn yirr ynon yoni yono yoon yori yorn yoro yory yoyn yoyo yrin yron yryn yyyy