cccc ccci cccp ccic ccii ccip ccir ccix ccnc ccni ccnp ccnr ccpn ccpp ccpr ccrc ccri ccrp ccxi cicc cici cicr ciii cin- cinc cini cipp circ ciri cirr cixi cnci cncp cnic cnrc cnrr cpic cpix cpni cpri crcc crcr cric crin crip crpc cxii cxix cxxi cxxx iccc icci iccn iccp iccr icnc icpc icrc icrr iiii iirc inci incr inni innr inp- inpi inpp inri ipcc ipin ipix ippc ippr ipri ircc ircx iri- iric irin irip irix irpc irrc irri ixxi n-ii nccc ncci nccn nccp nccr ncip ncix ncnc ncpc ncrc ncri ncrp nicc nici niip niir nini nipc nipr nixi nnnn nnpi nnpr npcc npic npin nppc npri nric nrpc nrpn nrrc pccc pcin pcip pcnx pcpn pcpp pcrc picc pici picr piip pinc pini pinn pinp pipi pipp pirc piri pirn pirr pixx pnic pnin pnpp ppcc ppci ppic pppn pppp pprc prcc prcp pri- prii prin prix prnp prri rccc rcic rcnr rcpi ricc riin rinn ripi ripp ripr riri rixc rncp rnin rpii rpix rppn rrrr xcii xcri xiii xixi xpcc xpin xxii xxix xxxi xxxx