cccc cccl cccp cccu ccgc ccgt cclc cclg ccoc ccpl ccpp ccpr ccrc ccrg ccrl ccrp ccrt cctc cctl cctt ccuc ccup ccut cgcc cgcg cgro cgtl cgtp cgtu clog cloo clop clor clot clou clpp clro cltc clut coco cocp coct cocu cogo col- coll colo colp colt colu cool coop coot copg copo copp copr copt cor- corc corg corl coro corp corr cort cotc coto cott cotu coul coup cour cout cpcu cplc cprt cptp cptr crcc crcr croc crol croo crop cror crot crpc crrt crtc crtl crtp crug crup crut ctcp ctgu ctlg ctol ctor ctot ctpo ctpp ctrc ctrl ctrp cucc culc cull culo culp cult cupl cupo cupp cupr curl curo curr curt cut- cutc cuto cutt gc-c gccc gclc gclp gcpc gcrg gctc ggcl gggg ggpo glcc glog glop glor glot glou glro gltp glug glur glut gocr gogo goll golo golp golt golu goog gool goop goor goot gopc gopo gopu gorg goro gorp gorr gort gotl goto gott gou- goug goul goup gour gout gpgp gpot gprp grcc groc grog grol groo grop gror grot grou grpc grrl grrr grtc grug grur grut gtco gtcr gtop gugg gugu gull gulo gulp gult gulu gurg gurl guro gurr gurt guru guto gutt gutu lccc lcor lcpc lcpl lcrg lcrl lctl lcto llcc llgc lllc llll lloc lloo locc loco locu log- logo logp loll lolo looc lool loop loor loot lopp lopu loro lotl loto lotr lott loul loup lour lout louu lppl lprp lroc lrpu lrrc lrrr ltcc ltcg lttc lttr ltuc lugg lugo lugu lull lulu lupo lupu lurg lurt luup occc occt oclc ocpp ocrl ocro ocrr oct- octo ocul ocur ogog ogou ogpl ogpu ogro olcc olgc olgr ollo olog olor olot olpc oltu olur oocr oolo oooo oort ootp opo- opor oppo opto orco orgo orlo orlu oro- oror orot orpc orro ortc orto orup otcl oto- otog otoo otor otpp otro otto ottu otur oucc oulu our- ouro ourt out- outo ouu- pccc pccl pcgg pcll pclo pcpp pcrc pcrl pgcc pglo pgou pgpu pgrc pgup plcc ploc plog ploo plop plot plou plpp pltg pltt plug plup plur poco pogg pogo polg poll polo polt polu pool poop poor poot pop- popc popo popp popt porc porg poro porr port potc poto pott potu poul poup pour pout ppcc pplo pppo pppp pprc ppru pptt ppur prcc prcp prlr pro- proc prog prol proo prop prot prou prtc prtp prtr prut pruu ptcc ptcl ptol ptop pttc pugo pugu pull pulo pulp pult pulu pupl pupu pur- purg purl puro purp purr puru put- puto putt putu puuc rccc rcgc rcpo rcpt rcrg rctc rctg rgtr rlcg rlug rocc roco rogg rogo roll rolo rolp rolt roog rool roop roor root ropo rorc roro rort roru rotc rotg rotl roto rotr rott roul roup rout rrrr rtcc rtcg rtlt rttp ruct rugg rull rulo rupp rupt rurc ruro rurp ruru rutl ruto rutt rutu tccc tccu tcpo tctc tcul tgcc tgtc tlco tlgc toco togo togr togt tol- toll tolo tolt tolu tool toor toot top- topo topp topt topu torc torg toro torp torr tort toru totc toto totr tott toug toul toup tour tout tpcp tpol tppp tppr tptp tptr tput trcc trcl troc trog troo trop trot trou trpc trpg trpp trtc trtr truc trug trut truu ttcp ttop tttt ttul tucc tuco tugg tugu tull tulo tulp tulu tuor tupo tupu turc turg turo turp turr turt turu tutl tuto tutt tutu tuuo u-rp uccp ucrc ucut ugcc ugcg uggo uggt ugol ugro ugur uguu ulcc ulco ullo ullr ulo- uloc ulog ulto ultt ulul uocc uolc uor- upgo uplo upor uppc uppp uppu uptl upto upup urgu uro- urol uroo urpo urup urur urut utor utto uttu utug uucp uulu uuoc uuuu