cccc cccf cccu ccfc ccff ccoc ccrc ccrf ccrt cctc cctt ccuc ccut cfcf cfco cfcy cffr cfor cfrt cfry cftc cftr coco coct cocu cofc coff coft coof coot cor- corc corf coro corr cort cory cotc coto cott cotu coty cour cout couy coyf coyo coyr coyt crcc crcr crfc croc croo cror crot croy crrt crtc crtf crut cry- cryo ctcf ctfc ctfo ctor ctot ctrc cucc cufc cuff cufo curf curo curr curt cury cut- cutc cuto cutt cuy- cuyo cuyr cyc- cycc cyft cyrt cyt- cyto cyy- cyyc fccf fcot fcto fcty ffcc ffff ffrr fftf foco fofo foof foot for- foro forr fort foto fott foty four fout foyt frcc frfc frot frou ft-c ftfc ftfy ftuc fuc- fuct fufc fuff fufu fuor fur- furo furr furt fury futo futu fuyt fuyu fyry occc occt ocro ocrr oct- octo octy ocur ofcr off- offc offo offr offu offy ofor oocr ooff oofy oooo oort oory ooty orco orff orfu oro- orof oror orot oroy orro orry ortc orto otfc oto- otof otoo otor otoy otro otry otto ottu otur otyr oucc oufc ouff our- ouro ourt out- outo outy ouu- ouyr oyou rccc rcfc rctc rcyc rffc rftc rocc roco rofc roff rofo roof roor root rorc roro rort roru rory rotc roto rotr rott roty rouf rout rouy royt rrfc rrrr rtcc rtfc ruct rufc ruff rufo ruft ruoy rurc ruro ruru ruto rutt rutu ruty ryff ryft ryot rytt ryyf ryyt tccc tccu tcfc tctc tfcu tfot tftc to-y toco toff tofo toft tofu toof toor toot torc torf toro torr tort toru tory totc toto totr tott toty tour tout toyo toyt trcc trfc trfr troc troo trot trou troy trtc trtr truc trut truu try- tryo ttfc ttff ttoy tttt tucc tuco tufc tuff tufo tuft tufu tuor turc turf turo turr turt turu tury tuto tutt tutu tuty tuuo tyco tyff tyft tyr- tyrf tyro tyrr tyto tytt tyty ucrc ucut ufcu uocc uofo uor- urcy urff urft uro- uroo urry urur urut utfo utor utoy utto uttu uuoc uutf uuuu yccc yctc yoff yoof yoot yoro yort yory yott youf your yout yoyo yrof yuff yuft yufu yurt yury yuto yutu yuty yuyu yyff yyyy