eeee eefe eerg eero ef-g efeo efor egee eger egfr egge eggo ego- egor egre eore erer erg- ergg ergo eroe eroo erre erro feer fefe feff fefo fege fegg feof fere fero ferr ffee ffff ffrr foer fofo foge fogg fogo foof for- fore forg foro forr free freo froe frog geer gefe gege gegg gego geo- geof geog gere gero gfer gfor ggfg gggg goef goer gofe goff gofr gogo goof goog goor gore gorf gorg goro gorr gree gref greg grof grog groo gror grrr o-eo oere ofer off- offe offo offr ofgo ofor ofre ogee oger ogfr ogge ogog ogre ogro ooer ooff oooo oore ore- oreg oreo orer orfe orff orge orgo oro- oroe orof oror orro reef refe reff refg refr rege rego regr reof reog rere rerg rero rfef roeg roer rofe roff rofo roge rogg rogo roof roog roor rore roro rrrr