c-cd cccc ccci cccp ccdc ccdi ccdp ccdr ccic ccid ccii ccip ccir ccpp ccpr ccrc ccri ccrp ccrt cctc cctt cd-r cddr cdic cdii cicc cici cicr cict cidc cidi cidp cidr cidt ciid ciii ciit cipp circ ciri cirr cirt citi citp citt city cpic cppd cpri cprt cptp cptr crcc crcr crdc cric crip crit crpc crrt crtc crtp cry- ctcp ctic ctpp ctrc ctrp cyc- cycc cypc cyrt cyt- cyy- cyyc dc-y dccc dcci dccp dcct dcii dctc dddd ddrc ddry dici dict dicy didi didy diii dipc dipp dipt dird dirr dirt diti ditt diyi dpci dpcp dpdt dppc dpty dpyd dric drip drit dry- dtcc dtdp dttp dycd dydd dyit dyr- dyrc dyri dyrt dyt- dytc dyty dyyr iccc icci iccp iccr icct icdc icdd icdp icpc icpd icrc icrr icrt icry ictp idcr idic idid idir idrc idtp iicd iiii iiit iirc iitr iitt ipcc ipct ipdc ipdi ipid ippc ippr ippy ipri iptc ircc ircd irdc irdp iri- iric irid irip iriy irpc irrc irri irti irtp itic itpc itri itry itty iypt pccc pcip pcpp pcrc pcrd pdci pdcp pdic pdpr pdrc pdtc picc pici picr pict picy piip pipi pipp pipy pirc piri pirr piry piti pitr pitt pity ppcc ppcd ppci ppic ppid pppd pppp pprc pptt prcc prcd prcp pri- prid prii prpd prrd prri prtc prti prtp prtr ptcc ptdc ptpd ptrd pttc pyic pypy pyr- pyri pyry pytt rccc rcdc rcic rcid rcpd rcpi rcpt rcrd rctc rcti rcyc rdpc ricc rict ridc ridd ridi ripd ripi ripp ripr ript riri riti ritt rpdp rpii rptd rpyc rrrr rtcc rtdt rttp rydy ryip rytt ryyt tccc tcdd tcpy tctc tdri ticc tidc tidd tidy tiit tip- tipc tipi tipp tipt tird tiri tirr tiry titc titi titp titt tiyi tpcd tpcp tpir tppd tppp tppr tptp tptr trcc tri- tric trip trit trpc trpp trtc trtr try- tryp ttcp tttt ttyd tydd tydi tydy tyir typ- typp typy tyr- tyrr tytd tyti tytt tyty yccc yctc ydyt yidi yird yirr yiti yitp ypcc ypir yyyy