c-cd cccc ccci cccp ccdc ccdi ccdn ccdp ccdr ccic ccid ccii ccip ccir ccnc ccni ccnp ccnr ccny ccpn ccpp ccpr ccrc ccri ccrp cd-r cddr cdic cdii cdnc cicc cici cicr cidc cidi cidp cidr ciid ciii cin- cinc cind cini cipp circ ciri cirr cnci cncp cndd cndp cnic cnid cnrc cnrr cpic cpni cppd cpri crcc crcr crdc cric crin crip crpc cry- cryn cyc- cycc cyn- cypc cyy- cyyc cyyn dc-y dccc dcci dccp dcii dddd ddrc ddry dici dicy didi didy diii din- dinc dini dinn dipc dipn dipp dird dirr diyi dnic dnrc dpci dpcp dpin dpni dppc dpyd dric drin drip dry- dycd dydd dyin dync dyny dyr- dyrc dyri dyyr iccc icci iccn iccp iccr icdc icdd icdp icnc icpc icpd icrc icrr icry idcr idic idid idin idir idrc iicd iiii iirc incd inci incr incy ind- indc indi indy inid inni innr inny inp- inpi inpp inri ipcc ipdc ipdi ipid ipin ippc ippr ippy ipri ircc ircd irdc irdp iri- iric irid irin irip iriy irpc irrc irri iryn n-ii nccc ncci nccn nccp nccr ncdc ncdn ncdr ncid ncip ncnc ncnd ncpc ncrc ncri ncrp ndcc ndcp ndic ndnp ndpd ndpr ndrc ndri ndry nicc nicd nici nicy nidd nidi niip niir nind nini nipc nipr niyi nnnn nnpi nnpr npcc npic npin nppc nppd npri nrdc nric nrpc nrpn nrrc nrrd nycc nycy nyny nypc nypd pccc pcin pcip pcpn pcpp pcrc pcrd pdci pdcp pdic pdpn pdpr pdrc picc pici picr picy piip pinc pind pini pinn pinp piny pipi pipp pipy pirc piri pirn pirr piry pnic pnin pnpp ppcc ppcd ppci ppic ppid pppd pppn pppp pprc prcc prcd prcp pri- prid prii prin prnd prnp prpd prrd prri pyic pyin pyn- pynd pypy pyr- pyri pyry rccc rcdc rcic rcid rcnr rcpd rcpi rcrd rcyc rdpc ricc ridc ridd ridi riin rind rinn riny ripd ripi ripp ripr riri rncp rndc rndp rnin rpdp rpii rppn rpyc rrrr rydy ryip rynd rynn yccc ydin ydnp yidi yird yirn yirr ypcc ypir yrin yryn yyyy