5 letter words:
forgo9,
groom8,
morro7,
rigor6,
4 letter words:
firm9,
form9,
from9,
frig8,
frog8,
goof8,
gorm7,
grim7,
roof7,
miri6,
moor6,
room6,
giro5,
3 letter words:
fig7,
fog7,
fir6,
for6,
fro6,
mig6,
mog6,
rif6,
mir5,
moo5,
mor5,
rim5,
rom5,
goo4,
gor4,
rig4,
2 letter words:
if5,
of5,
mi4,
mo4,
om4,
go3,
oi2,
or2,