cccc ccci cccp ccic ccii ccip ccir ccoc ccpp ccpr ccrc ccri ccrp ccrt cctc cctt cicc cici cico cicr cict ciii ciit cior cipo cipp circ ciri ciro cirr cirt citi cito citp citt city coco cocp coct coip coir coit coop coot copi copo copp copr copt copy cor- corc cori coro corp corr cort cory cotc coti coto cott coty coyo coyr coyt cpic cpio cpri cprt cptp cptr crcc crcr cric crip crit croc croo crop cror crot croy crpc crrt crtc crtp cry- cryo ctcp ctic ctor ctot ctpo ctpp ctrc ctrp cyc- cycc cypc cyrt cyt- cyto cyy- cyyc iccc icci icco iccp iccr icct icoc icor icpc icpo icrc icrr icrt icry ictp iiii iiio iiit iioi iioo iiop iirc iitr iitt ioci iocp ioii ioio ioit iooi iooo iori ioto ipcc ipct ipop ippc ippo ippr ippy ipri iptc ipto ircc iri- iric irio irip iriy iroc irop irpc irrc irri irti irtp itic itoi itoo itor itpc itri itry itto itty iypt occc occi occt ocpp ocro ocrr oct- octi octo octy oici oiii oipc oirt oiry oitc oiti oocr oooo oort oory ootp ooty opic opii opio opit opo- opor oppi oppo oppy opry opti opto orci orco ori- oric orio orit oro- oror orot oroy orpc orpi orri orro orry ortc orto otic otit oto- otoo otor otoy otpp otro otry otti otto otyr oyri pccc pcip pcpp pcrc picc pici pico picr pict picy piip piot pipi pipo pipp pipy pirc piri piro pirr piry piti pito pitr pitt pity piyo poco poio poop poor poot pop- popc popi popo popp popt popy porc pori poro porr port pory potc poti poto pott poty poyo poyr ppcc ppci ppic pppo pppp pprc pptt prcc prcp pri- prii pro- proc proo prop prot prri prtc prti prtp prtr ptcc ptop pttc pyic pyo- pyot pypy pyr- pyri pyro pyry pytt rccc rcic rcpi rcpo rcpt rctc rcti rcyc ricc rico rict riot ripi ripp ripr ript riri riti rito ritt riyo rocc roco roio roir roit rooi roop roor root ropo ropy rorc rori roro rort rory rotc roti roto rotr rott roty royt rpii rpyc rrrr rtcc rttp ryip ryot rytt ryyt tccc tcpo tcpy tctc ticc tico tiit tiop tip- tipc tipi tipo tipp tipt tiri tiro tirr tiry titc titi tito titp titt tiyi tiyo to-y toci toco toit toor toot top- topi topo topp topt torc tori toro torp torr tort tory totc toti toto totr tott toty toyo toyt tpcp tpir tppp tppr tptp tptr tpyo trcc tri- tric trio trip trit troc troi troo trop trot troy trpc trpp trtc trtr try- tryo tryp ttcp ttop ttoy tttt tyco tyir typ- typo typp typy tyr- tyro tyrr tyti tyto tytt tyty yccc yctc yirr yiti yitp yoit yoop yoot yopo yopy yori yoro yort yory yott yoyo ypcc ypir yyyy