c-cd cccc ccci cccp ccdc ccdi ccdp ccdr ccic ccid ccii ccip ccir ccoc ccod ccpp ccpr ccrc ccri ccrp ccrt cctc cctt cd-r cddr cdic cdii cdio cdot cicc cici cico cicr cict cidc cidi cidp cidr cidt ciid ciii ciit cior cipo cipp circ ciri ciro cirr cirt citi cito citp citt coco cocp coct codd codi coip coir coit cood coop coot copd copi copo copp copr copt cor- corc cord cori coro corp corr cort cotc coti coto cott cpic cpio cppd cpri cprt cptp cptr crcc crcr crdc cric crip crit croc crod croo crop cror crot crpc crrt crtc crtp ctcp ctic ctor ctot ctpo ctpp ctrc ctrp dccc dcci dccp dcct dcii dcio dcop dcpo dctc dddd ddoc ddot ddpo ddrc dici dico dict didi dido diii dioc diop dior diot dipc dipo dipp dipt dird dirr dirt diti dito ditt doci doco doct dod- dodd dodi dodo doid doit dood doop door doot dopo dopp dopr dopt dorc dord dori doro dorp dorr dort dotd doti doto dott dpci dpcp dpdt dppc dric drip drit drod drop drot dtcc dtdp dtor dtot dttp iccc icci icco iccp iccr icct icdc icdd icdp icoc icod icor icpc icpd icpo icrc icrr icrt ictp idcr iddo idic idid idio idir idoc idrc idro idtp iicd iiii iiio iiit iioi iioo iiop iirc iitr iitt ioci iocp iod- iodd iodo ioii ioio ioit iooi iooo iori ioto ipcc ipct ipdc ipdi ipid ipod ipop ippc ippo ippr ipri iptc ipto ircc ircd irdc irdo irdp iri- iric irid irio irip iroc irod irop irpc irrc irri irti irtp itdo itic itoi itoo itor itpc itri itto occc occi occt ocpd ocpp ocro ocrr oct- octi octo odci oddd oddi odic odio odir odoo odop odor odot odrp oici oido oiii oipc oirt oitc oiti oocr oodi ooid oooo oord oort ootp opic opii opio opit opo- opor oppi oppo opti opto orci orco ordo ori- oric orid orio orit oro- oror orot orpc orpi orri orro ortc orto otcd otic otit oto- otoo otor otpp otro otti otto pccc pcip pcod pcpp pcrc pcrd pdci pdcp pdic pdoc pdpr pdrc pdtc picc pici pico picr pict pido piip piot pipi pipo pipp pirc piri piro pirr piti pito pitr pitt pocd poco pod- podd podi podo poid poio pood poop poor poot pop- popc popi popo popp popt porc pori poro porr port potc potd poti poto pott ppcc ppcd ppci ppic ppid ppod pppd pppo pppp pprc pptt prcc prcd prcp pri- prid prii pro- proc prod proo prop prot prpd prrd prri prtc prti prtp prtr ptcc ptdc ptop ptpd ptrd pttc rccc rcdc rcic rcid rcpd rcpi rcpo rcpt rcrd rctc rcti rdio rdoc rdpc ricc rico rict ridc ridd ridi rido riot ripd ripi ripp ripr ript riri riti rito ritt rocc roco rodd rodi rodo roid roio roir roit rood rooi roop roor root ropo rorc rori roro rort rotc roti roto rotr rott rpdp rpii rptd rrrr rtcc rtdt rttp tccc tcdd tcpo tctc tdor tdri ticc tico tidc tidd tiit tiop tip- tipc tipi tipo tipp tipt tird tiri tiro tirr titc titi tito titp titt toci toco todd todi todo todt toid toit tood toor toot top- topd topi topo topp topt torc tord tori toro torp torr tort totc totd toti toto totr tott tpcd tpcp tpir tppd tppp tppr tptp tptr trcc tri- tric trio trip trit troc trod troi troo trop trot trpc trpp trtc trtr ttcp ttop tttt