cccc cccp cccu ccgc ccgt ccoc ccpp ccpr ccrc ccrg ccrp ccrt cctc cctt ccuc ccup ccut cgcc cgcg cgro cgtp cgtu coco cocp coct cocu cogo coop coot copg copo copp copr copt copy cor- corc corg coro corp corr cort cory cotc coto cott cotu coty coup cour cout couy coyo coyr coyt cpcu cprt cptp cptr crcc crcr croc croo crop cror crot croy crpc crrt crtc crtp crug crup crut cry- cryo ctcp ctgu ctor ctot ctpo ctpp ctrc ctrp cucc cugy cupo cupp cupr curo curr curt cury cut- cutc cuto cutt cuy- cuyo cuyp cuyr cyc- cycc cypc cyrt cyt- cyto cyy- cyyc gc-c gccc gcpc gcrg gctc gggg ggpo gocr gogo goog goop goor goot gopc gopo gopu gorg goro gorp gorr gort gory goto gott goty gou- goug goup gour gout gouy goyt gpgp gpot gprp grcc groc grog groo grop gror grot grou groy grpc grrr grtc grug grur grut gry- gryt gtco gtcr gtop gugg gugu gurg guro gurr gurt guru gury guto gutt gutu guty guyu gyor gypo gyr- gyro gytt gyuu occc occt ocpp ocro ocrr oct- octo octy ocur oggy ogog ogou ogpu ogro ogry oocr oooo oort oory ootp ooty opo- opor oppo oppy opry opto orco orgo orgy oro- oror orot oroy orpc orro orry ortc orto orup oto- otog otoo otor otoy otpp otro otry otto ottu otur otyg otyr oucc our- ouro ourt out- outo outy ouu- ouyr oyou pccc pcgg pcpp pcrc pgcc pgou pgpu pgrc pgup poco pogg pogo pogy poop poor poot pop- popc popo popp popt popy porc porg poro porr port pory potc poto pott potu poty poup pour pout pouy poyo poyr ppcc pppo pppp pprc ppru pptt ppur prcc prcp pro- proc prog proo prop prot prou prtc prtp prtr prut pruu ptcc ptop pttc pugo pugu puoy pupu pupy pur- purg puro purp purr puru pury put- puto putt putu puuc puy- puyo puyt pyg- pygg pyo- pyot pypy pyr- pyro pyry pytt rccc rcgc rcpo rcpt rcrg rctc rctg rcyc rgtr rocc roco rogg rogo rogy roog roop roor root ropo ropy rorc roro rort roru rory rotc rotg roto rotr rott roty roup rout rouy royt rpyc rrrr rtcc rtcg rttp ruct rugg ruoy rupp rupt rupy rurc ruro rurp ruru ruto rutt rutu ruty ryot rytt ryyt tccc tccu tcpo tcpy tctc tgcc tgtc to-y toco togo togr togt toor toot top- topo topp topt topu torc torg toro torp torr tort toru tory totc toto totr tott toty toug toup tour tout toyo toyt tpcp tppp tppr tptp tptr tput tpyo trcc troc trog troo trop trot trou troy trpc trpg trpp trtc trtr truc trug trut truu try- tryg tryo tryp ttcp ttop ttoy tttt tucc tuco tugg tugu tuor tupo tupu tupy turc turg turo turp turr turt turu tury tuto tutt tutu tuty tuuo tyco typ- typo typp typy tyr- tyro tyrr tyto tytt tyty tyup u-rp uccp ucrc ucut ugcc ugcg uggo uggt ugro ugur uguu uocc uor- upgo upor uppc uppp uppu uppy upto upup urcy urgu uro- uroo urpo urry urup urur urut utor utoy utto uttu utug uucp uuoc uuuu yccc yctc ygor ygot yguo yogo yoop yoot yopo yopy yoro yort yory yott youp your yout yoyo ypcc yput yugg yugo yugu yurt yury yuto yutu yuty yuyu yyyy