PROFOREIGN

ef en er fe go if in ne no oe of oi on op or pe pi re

ego eng eon erg ern err fen fer fie fig fin fir foe fog fon fop for fro gen gie gin gip goo gor ion ire neg nip nog noo nor one ono ope ore peg pen per pie pig pin poi poo pro ref reg rei rep rif rig rin rip roe

ergo fern fine fino fire firn foin fore frig froe frog gien girn giro goer gone goof goon goop gore gorp grin grip info inro iron neif noir nope nori ogre open pein peon peri pier pine ping pion pirn pone pong poof poon poor pore porn prig prof prog reif rein repo rife ring ripe roof rope