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 cnnz cnrc cnrr coco coin coir con- conc coni conn cono coon cor- corc cori corn coro corr cozi cozz crcc crcr crcz cric crin croc cron croo cror croz czon i-no iccc icci iccn icco iccr icnc icoc icon icor icrc icrr iczn iiii iiio iino iioi iioo iirc inci inco incr inni inno innr ino- inoi inon inor inoz inri inro ioci ioii ioio ioni ionn iono iooi iooo iori ircc iri- iric irin irio iroc iron irrc irri izon izzo 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 nozi nric nroc nron nrrc nzcc occc occi occn ocin ocon ocro ocrr oici oiii oion onc- onco onic onir onni onno onon onor onoz onzo oocr oooo oozi orci orco ori- oric orin orio ornc orni orno oro- oron oror oroz orri orro orzo ozon rccc rcic rcnr rcon ricc rico riin rinn rino rion rioz riri rizi rizz rnco rnin rocc roco roin roio roir roiz ronc roni rono rooi roon roor rooz rorc rori roro rozi rozz rrrr z-ro zico zinc zinn zino zion zirc ziri ziro zizi zizz zoco zoic zoio zon- zoni zoo- zoon zorc zori zorn zoro zozo zrin zzzz