cccc cccf ccee ccfc ccff ccgc ccoc ccrc ccre ccrf ccrg cec- cece ceco ceec cef- cefc cege cego ceor cer- cerc cere cerf cero cfcf cfco cffr cfgo cfor cfre cfrg cgcc cgcg cger cgfc cgro coce coco cofc cofe coff cogo coof cor- corc core corf corg coro corr crcc crce crcr cre- crec cree creg creo crfc croc croe croo cror eccc ecce ecco ecef ecfc ecfr eco- ecog ecrc ecrf ecrr eeee eefe eeoc eerc eerg eero ef-g efco efeo efor egcc egcg egcr egec egee eger egfr egge eggo ego- egor egre eore ercc erce erec erer erfc erg- ergg ergo eroc eroe eroo errc erre erro fccf fece feer fefc fefe feff fefo fege fegg feof ferc fere fero ferr ffcc ffee ffff ffrr foce foco foer fofo foge fogg fogo foof for- fore forg foro forr frcc free freo frfc froe frog gc-c gccc gccf gcfc gcrg gece geer gefe gege gegg gego geo- geof geog gere gero gfcf gfer gfor ggfg gggg goce gocr goef goer gofe goff gofr gogo goof goog goor gore gorf gorg goro gorr grcc grce grec gree gref greg groc grof grog groo gror grrr o-eo occc oce ocee ocef ocre ocro ocrr oec- oecc oeec oere ofcr ofer off- offc offe offo offr ofgo ofor ofre ogee oger ogfr ogge ogog ogre ogro oocr ooer ooff oooo oore orce orco ore- orec oreg oreo orer orfe orff orge orgo oro- oroe orof oror orro rccc rcfc rcgc rcrg recc rece recr reef refe reff refg refr rege rego regr reof reog rere rerg rero rfef rffc rocc roce roco roeg roer rofc rofe roff rofo roge rogg rogo roof roog roor rorc rore roro rrfc rrrr