cccc ccee cche cchr cchy ccoc ccrc ccre cec- cece ceco ceec ceor cer- cerc cere cero cery chce chch chec chee cheh cher chey choc choh choo chor choy chrc chro chrr chy- chyc coce coch coco coho cooh cor- corc core coro corr cory coyo coyr crcc crce crcr cre- crec cree creh creo croc croe croh croo cror croy cry- cryo cyc- cycc cyre cyy- cyyc eccc ecce ecco eche echo eco- ecrc ecrr eeee eeoc eerc eero eery ehcc eheh eher ehre eore ercc erce erch erec erer erhc eroc eroe eroo errc erre erro eryc erye eyec eyer eyey eyre eyry eyyr hccc hcch hech heer hehe heho heor herc here hero herr hery heye heyh heyr hhhh hoce hoch hocr hoer hoey hohe hoho hooe hoor horc hore horo horr hory hoye hree hrrc hyce hyer hyhe hyo- hyre o-eo occc oce ocee oche ocre ocro ocrr oec- oecc oeec oere oeye oeyo ohcc ohee oher ohey ohho ohoh ohre ohye ohyo oocr ooer ooho oooh oooo oore oory orce orch orco ore- orec oreh oreo orer orey orhe oro- oroe oror oroy orro orry oyce oych oyee oyer oyre rccc rcyc recc rece rech recr recy rehe rere rero rery reye rhce rhee rheo rhoc rhoh rhye rocc roce roch roco roer roey rohe rohr rohy roor rorc rore roro rory roye rrrr rych ryeh ryoh yccc ycch ycee yche yech yeer yehe yehr yeoh yere yero yerr yery yeye yeyo yeyr yher yoch yohe yoho yore yoro yory yoye yoyo yrho yyyy