cccc cccp ccoc ccpp ccpr ccrc ccrp ccrt cctc cctt coco cocp coct coop coot copo copp copr copt copy cor- corc coro corp corr cort cory cotc coto cott coty coyo coyr coyt cprt cptp cptr crcc crcr croc croo crop cror crot croy crpc crrt crtc crtp cry- cryo ctcp ctor ctot ctpo ctpp ctrc ctrp cyc- cycc cypc cyrt cyt- cyto cyy- cyyc occc occt ocpp ocro ocrr oct- octo octy oocr oooo oort oory ootp ooty opo- opor oppo oppy opry opto orco oro- oror orot oroy orpc orro orry ortc orto oto- otoo otor otoy otpp otro otry otto otyr pccc pcpp pcrc poco poop poor poot pop- popc popo popp popt popy porc poro porr port pory potc poto pott poty poyo poyr ppcc pppo pppp pprc pptt prcc prcp pro- proc proo prop prot prtc prtp prtr ptcc ptop pttc pyo- pyot pypy pyr- pyro pyry pytt rccc rcpo rcpt rctc rcyc rocc roco roop roor root ropo ropy rorc roro rort rory rotc roto rotr rott roty royt rpyc rrrr rtcc rttp ryot rytt ryyt tccc tcpo tcpy tctc to-y toco toor toot top- topo topp topt torc toro torp torr tort tory totc toto totr tott toty toyo toyt tpcp tppp tppr tptp tptr tpyo trcc troc troo trop trot troy trpc trpp trtc trtr try- tryo tryp ttcp ttop ttoy tttt tyco typ- typo typp typy tyr- tyro tyrr tyto tytt tyty yccc yctc yoop yoot yopo yopy yoro yort yory yott yoyo ypcc yyyy