6 letter words:
forger10,
5 letter words:
forge9,
gofer9,
frore8,
roger6,
4 letter words:
frog8,
fore7,
froe7,
ergo5,
goer5,
gore5,
ogre5,
3 letter words:
fog7,
fer6,
foe6,
for6,
fro6,
ref6,
ego4,
erg4,
gor4,
reg4,
err3,
ore3,
roe3,
2 letter words:
ef5,
fe5,
of5,
go3,
er2,
oe2,
or2,
re2,