cccc ccee ccgc ccoc ccrc ccre ccrg cec- cece ceco ceec cege cego ceor cer- cerc cere cero cery cgcc cgcg cger cgro coce coco cogo cor- corc core corg coro corr cory coyo coyr crcc crce crcr cre- crec cree creg creo croc croe croo cror croy cry- cryo cyc- cycc cyeg cyre cyy- cyyc eccc ecce ecco eco- ecog ecrc ecrr eeee eeoc eerc eerg eero eery egcc egcg egcr egec egee eger egge eggo eggy ego- egor egre egry egyo egyr eore ercc erce erec erer erg- ergg ergo eroc eroe eroo errc erre erro eryc erye eyec eyer eyey eyre eyry eyyr gc-c gccc gcrg gece geer gege gegg gego geo- geog gere gero gery gggg goce gocr goer gogo goog goor gore gorg goro gorr gory goye grcc grce grec gree greg grey groc grog groo gror groy grrr gry- grye gyer gyge gyor gyr- gyre gyro o-eo occc oce ocee ocre ocro ocrr oec- oecc oeec oere oeye oeyo ogee oger ogge oggy ogog ogre ogro ogry oocr ooer oooo oore oory orce orco ore- orec oreg oreo orer orey orge orgo orgy oro- oroe oror oroy orro orry oyce oyee oyer oyre rccc rcgc rcrg rcyc recc rece recr recy rege rego regr reog rere rerg rero rery reye rocc roce roco roeg roer roey roge rogg rogo rogy roog roor rorc rore roro rory roye rrrr ryge yccc ycee yeer yegg yego yere yero yerr yery yeye yeyo yeyr ygoe ygor yogo yore yoro yory yoye yoyo yyyy