cccc cchr cchy ccoc ccrc ccrt cctc cctt chch choc choh choo chor choy chrc chro chrr chrt chto chtr chtt chy- chyc coch coco coct coho cooh coot cor- corc coro corr cort cory cotc coth coto cott coty coyo coyr coyt crcc crcr croc croh croo cror crot croy crrt crtc cry- cryo ctor ctot ctrc cyc- cycc cyrt cyt- cyto cyy- cyyc hccc hcch hhhh hoch hocr hoho hoor hoot horc horo horr hort hory hoth hoto hotr hott hoyt hrrc htcc htoh httr hyo- hyrt occc occt ocht ocro ocrr oct- octo octy ohcc ohho ohoh ohto ohyo oocr ooho oooh oooo oort oory ooty orch orco oro- oror orot oroy orro orry ortc orth orto otho othr oto- otoh otoo otor otoy otro otry otto otyr oych rccc rctc rcyc rhoc rhoh rocc roch roco rohr rohy roor root rorc roro rort rory rotc roth roto rotr rott roty royt rrrr rtcc rych ryoh ryot ryth rytt ryyt tccc tch- tchh tcho tchr tctc thch thoo thor thot thro thtr thyh to-y toch toco toho tooh toor toot torc toro torr tort tory totc toth toto totr tott toty toyo toyt trcc troc troo trot troy trtc trtr try- tryo ttoy tttt tyco tyht tyr- tyro tyrr tyto tytt tyty yccc ycch yctc yoch yoho yoot yoro yort yory yott yoyo yrho ytch ytht yyyy