c-cd cccc ccci ccdc ccdi ccdr ccic ccid ccii ccir ccrc ccri ccrt cctc cctt cd-r cddr cdic cdii cicc cici cicr cict cidc cidi cidr cidt ciid ciii ciit circ ciri cirr cirt citi citt city crcc crcr crdc cric crit crrt crtc cry- ctic ctrc cyc- cycc cyrt cyt- cyy- cyyc dc-y dccc dcci dcct dcii dctc dddd ddrc ddry dici dict dicy didi didy diii dird dirr dirt diti ditt diyi dric drit dry- dtcc dycd dydd dyit dyr- dyrc dyri dyrt dyt- dytc dyty dyyr iccc icci iccr icct icdc icdd icrc icrr icrt icry idcr idic idid idir idrc iicd iiii iiit iirc iitr iitt ircc ircd irdc iri- iric irid iriy irrc irri irti itic itri itry itty rccc rcdc rcic rcid rcrd rctc rcti rcyc ricc rict ridc ridd ridi riri riti ritt rrrr rtcc rtdt rydy rytt ryyt tccc tcdd tctc tdri ticc tidc tidd tidy tiit tird tiri tirr tiry titc titi titt tiyi trcc tri- tric trit trtc trtr try- tttt ttyd tydd tydi tydy tyir tyr- tyrr tytd tyti tytt tyty yccc yctc ydyt yidi yird yirr yiti yyyy