c-cd cccc ccci ccdc ccdi ccdn ccdr ccic ccid ccii ccir ccnc ccni ccnr ccny ccrc ccri cd-r cddr cdic cdii cdnc cicc cici cicr cidc cidi cidr ciid ciii cin- cinc cind cini circ ciri cirr cnci cndd cnic cnid cnrc cnrr crcc crcr crdc cric crin cry- cryn cyc- cycc cyn- cyy- cyyc cyyn dc-y dccc dcci dcii dddd ddrc ddry dici dicy didi didy diii din- dinc dini dinn dird dirr diyi dnic dnrc dric drin dry- dycd dydd dyin dync dyny dyr- dyrc dyri dyyr iccc icci iccn iccr icdc icdd icnc icrc icrr icry idcr idic idid idin idir idrc iicd iiii iirc incd inci incr incy ind- indc indi indy inid inni innr inny inri ircc ircd irdc iri- iric irid irin iriy irrc irri iryn n-ii nccc ncci nccn nccr ncdc ncdn ncdr ncid ncnc ncnd ncrc ncri ndcc ndic ndrc ndri ndry nicc nicd nici nicy nidd nidi niir nind nini niyi nnnn nrdc nric nrrc nrrd nycc nycy nyny rccc rcdc rcic rcid rcnr rcrd rcyc ricc ridc ridd ridi riin rind rinn riny riri rndc rnin rrrr rydy rynd rynn yccc ydin yidi yird yirn yirr yrin yryn yyyy