cccc cccu ccoc ccrc ccrt cctc cctt ccuc ccut coco coct cocu coot cor- corc coro corr cort cory cotc coto cott cotu coty cour cout couy coyo coyr coyt crcc crcr croc croo cror crot croy crrt crtc crut cry- cryo ctor ctot ctrc cucc curo curr curt cury cut- cutc cuto cutt cuy- cuyo cuyr cyc- cycc cyrt cyt- cyto cyy- cyyc occc occt ocro ocrr oct- octo octy ocur oocr oooo oort oory ooty orco oro- oror orot oroy orro orry ortc orto oto- otoo otor otoy otro otry otto ottu otur otyr oucc our- ouro ourt out- outo outy ouu- ouyr oyou rccc rctc rcyc rocc roco roor root rorc roro rort roru rory rotc roto rotr rott roty rout rouy royt rrrr rtcc ruct ruoy rurc ruro ruru ruto rutt rutu ruty ryot rytt ryyt tccc tccu tctc to-y toco toor toot torc toro torr tort toru tory totc toto totr tott toty tour tout toyo toyt trcc troc troo trot trou troy trtc trtr truc trut truu try- tryo ttoy tttt tucc tuco tuor turc turo turr turt turu tury tuto tutt tutu tuty tuuo tyco tyr- tyro tyrr tyto tytt tyty ucrc ucut uocc uor- urcy uro- uroo urry urur urut utor utoy utto uttu uuoc uuuu yccc yctc yoot yoro yort yory yott your yout yoyo yurt yury yuto yutu yuty yuyu yyyy