cccc cccf cccp cccu ccfc ccff ccoc ccpp ccpr ccrc ccrf ccrp ccrt cctc cctt ccuc ccup ccut cfcf cfco cffr cfor cfpo cfpr cfrp cfrt cftc cftr coco cocp coct cocu cofc coff coft coof coop coot copo copp copr copt cor- corc corf coro corp corr cort cotc coto cott cotu coup cour cout cpcu cpff cpft cprt cptp cptr crcc crcr crfc croc croo crop cror crot crpc crrt crtc crtf crtp crup crut ctcf ctcp ctfc ctfo ctor ctot ctpo ctpp ctrc ctrp cucc cufc cuff cufo cupo cupp cupr curf curo curr curt cut- cutc cuto cutt fccf fccp fcot fcto fcup ffcc ffff ffrr fftf foco fofo foof foot fopp for- foro forr fort foto fotp fott foup four fout fp-c fpcc fpct fprf frcc frcp frfc frop frot frou ft-c ftfc ftop ftuc fuc- fuct fufc fuff fufu fuor fur- furo furr furt futo futu occc occt ocfp ocpp ocro ocrr oct- octo ocur ofcr off- offc offo offr offu ofor oftp oocr ooff oooo oort ootp opo- opor oppo opto orco orff orfu oro- orof oror orot orpc orro ortc orto orup otfc otfp oto- otof otoo otor otpp otro otto ottu otur oucc oufc ouff our- ouro ourt out- outo ouu- pccc pcfc pcpp pcrc pcrf pfff pffr pfft poco poff poof poop poor poot pop- popc popo popp popt porc poro porr port potc potf poto pott potu pouf poup pour pout ppcc pppo pppp pprc pprf ppru pptt ppur prcc prcf prcp prfc pro- proc prof proo prop prot prou prtc prtp prtr pruf prut pruu ptcc ptop ptrf pttc puff puft pupu pur- puro purp purr puru put- puto putt putu puuc rccc rcfc rcpo rcpt rctc rffc rftc rocc roco rofc roff rofo roof roop roor root ropo rorc roro rort roru rotc roto rotr rott rouf roup rout rpfc rpof rrfc rrrr rtcc rtfc rttp ruct rufc ruff rufo ruft rupp rupt rurc ruro rurp ruru ruto rutt rutu tccc tccu tcfc tcpo tctc tfcu tfot tfpt tftc tftp toco toff tofo toft tofu toof toor toot top- topf topo topp topt topu torc torf toro torp torr tort toru totc toto totr tott toup tour tout tpcp tppp tppr tptp tptr tput trcc trfc trfr troc troo trop trot trou trpc trpp trtc trtr truc trut truu ttcp ttfc ttff ttop tttt tucc tuco tufc tuff tufo tuft tufu tuor tupo tupu turc turf turo turp turr turt turu tuto tutt tutu tuuo u-rp uccp ucrc ucut ufcu uftp uocc uofo uor- upor uppc uppp uppu upto upup urff urft uro- uroo urpo urup urur urut utfo utor utto uttu uucp uuoc uutf uuuu