cccc cccf cccl cccp cccu ccfc ccff ccfl cclc ccoc ccpl ccpp ccpr ccrc ccrf ccrl ccrp ccrt cctc cctl cctt ccuc ccup ccut cfcf cfcl cfco cffr cfor cfpl cfpo cfpr cfrp cfrt cftc cftl cftr clof cloo clop clor clot clou clpp clro cltc clut coco cocp coct cocu cofc coff coft col- coll colo colp colt colu coof cool coop coot copo copp copr copt cor- corc corf corl coro corp corr cort cotc coto cott cotu coul coup cour cout cpcu cpff cpft cplc cprt cptp cptr crcc crcr crfc crfl crlf croc crol croo crop cror crot crpc crrt crtc crtf crtl crtp crup crut ctcf ctcp ctfc ctfo ctol ctor ctot ctpo ctpp ctrc ctrl ctrp cucc cufc cuff cufo culc cull culo culp cult cupl cupo cupp cupr curf curl curo curr curt cut- cutc cuto cutt fccf fccp fcot fcto fcup ffcc ffff ffrr fftf flcl floc floo flop flor flot flou fluf fluo flur foco fofo folc foll folo folr folt foof fool foot fopp for- forl foro forr fort foto fotp fott foul foup four fout fp-c fpcc fpct fplc fprf frcc frcp frfc frol frop frot frou ft-c ft-l ftfc ftop ftuc fuc- fuct fufc fuff fufu full fulu fuor fur- furl furo furr furt futo futu lccc lcfc lcfr lcor lcpc lcpl lcrl lctl lcto lfcc lftp llcc lllc llll lloc lloo locc loco locu loff loft loll lolo looc loof lool loop loor loot lopp lopu loro lotl loto lotr lott loul loup lour lout louu lpfp lpft lppl lprp lrfc lroc lrpu lrrc lrrr ltcc ltfc lttc lttr ltuc luff luft lufu lull lulu lupo lupu lurt luup occc occt ocfp oclc ocpp ocrl ocro ocrr oct- octo ocul ocur ofcl ofcr off- offc offo offr offu ofor oftp olcc ollo olof olor olot olpc oltu olur oocr ooff oolo oooo oort ootp opo- opor oppo opto orco orff orfu orlo orlu oro- orof oror orot orpc orro ortc orto orup otcl otfc otfp oto- otof otoo otor otpp otro otto ottu otur oucc oufc ouff oulu our- ouro ourt out- outo ouu- pccc pccl pcfc pcll pclo pcpp pcrc pcrf pcrl pfff pffr pfft plcc plff ploc ploo plop plot plou plpp pltf pltt plup plur poco poff poll polo polt polu poof pool poop poor poot pop- popc popo popp popt porc poro porr port potc potf poto pott potu pouf poul poup pour pout ppcc pplo pppo pppp pprc pprf ppru pptt ppur prcc prcf prcp prfc prlr pro- proc prof prol proo prop prot prou prtc prtp prtr pruf prut pruu ptcc ptcl ptol ptop ptrf pttc puff puft pull pulo pulp pult pulu pupl pupu pur- purl puro purp purr puru put- puto putt putu puuc rccc rcfc rcpo rcpt rctc rffc rffl rftc rocc roco rofc roff rofl rofo rolf roll rolo rolp rolt roof rool roop roor root ropo rorc roro rort roru rotc rotl roto rotr rott rouf roul roup rout rpfc rpof rrfc rrrr rtcc rtfc rtlt rttp ruct rufc ruff rufo ruft rull rulo rupp rupt rurc ruro rurp ruru rutl ruto rutt rutu tccc tccu tcfc tcpo tctc tcul tfcu tfot tfpt tftc tftp tlco toco toff tofo toft tofu tol- toll tolo tolt tolu toof tool toor toot top- topf topo topp topt topu torc torf toro torp torr tort toru totc toto totr tott toul toup tour tout tpcp tpol tppp tppr tptp tptr tput trcc trcl trfc trfr troc troo trop trot trou trpc trpp trtc trtr truc trut truu ttcp ttfc ttff ttop tttt ttul tucc tuco tufc tuff tufo tuft tufu tull tulo tulp tulu tuor tupo tupu turc turf turo turp turr turt turu tutl tuto tutt tutu tuuo u-rp uccp ucrc ucut ufcu uftp ulcc ulco ulft ullo ullr ulo- uloc ulto ultt ulul uocc uofl uofo uolc uor- uplo upor uppc uppp uppu uptl upto upup urff urft uro- urol uroo urpo urup urur urut utfo utor utto uttu uucp uulu uuoc uutf uuuu