6 letter words:
fervor12,
5 letter words:
frore8,
rover8,
4 letter words:
fore7,
froe7,
orfe7,
over7,
rove7,
rore4,
3 letter words:
erf6,
evo6,
fer6,
foe6,
for6,
fro6,
orf6,
ref6,
rev6,
voe6,
vor6,
err3,
ore3,
reo3,
roe3,
2 letter words:
ef5,
fe5,
of5,
er2,
oe2,
or2,
re2,