OROGENESIS

en er es go in is ne no oe oi on or os re si so

ego eng ens eon ere erg ern ers ess gee gen gie gin goo gor gos ins ion ire nee neg nog noo nor nos oes one ono ons ore ors ose ree reg rei res rig rin roe see seg sei sen ser sin sir sis son sos sri

eger egis egos engs eons ergo ergs erne erns eros eses esne gees gene gens gien gies gins girn giro goer goes gone goon goos gore gree grin inro ions ires iron negs ness noes nogs noir nori nose ogee ogre ones onos ores oses rees regs rein reis rigs ring rins rise roes rose seen seer sees sego segs seis sene sere sers sign sine sing sins sire sirs snog sone song sons soon sore sori sorn sris