c-cd cccc ccci cccv ccdc ccdi ccdr ccic ccid ccii ccir cciv ccrc ccri ccrt cctc cctt cctv ccvi cd-r cddr cdic cdii cdiv cdtv cdvd cdvi cicc cici cicr cict cidc cidi cidr cidt ciid ciii ciit circ ciri cirr cirt citi citt citv civc crcc crcr crdc cric crit crrt crtc crtv ctic ctrc ctvt cvcc cvid cvii cvrd cvrr d-tv dccc dcci dcct dccv dcii dciv dctc dctv dcvd dcvi dddd ddrc ddtv dici dict didi diii diiv dird dirr dirt diti ditt ditv divd divi dric drit dtcc dvdr dvi- dvii dvir iccc icci iccr icct icdc icdd icrc icrr icrt ictv idcr idic idid idir idrc idtv idvd iicd iiii iiit iirc iitr iitt ircc ircd irdc iri- iric irid irrc irri irti itic itri ivdr ivic rccc rcdc rcic rcid rcrd rctc rcti rctv rcvr ricc rict ridc ridd ridi riri riti ritt rrrr rtcc rtdt rtvi rv-c tccc tcdd tctc tdri tdtv ticc tidc tidd tiit tird tiri tirr titc titi titt tivi trcc tri- tric trit trtc trtr tttt tvri tvrr tvtv vcci vdcc vic- vici vict vidi viii virc viri virr virt viti vitt vivi vrci vrdi vt-i vvvv