4 letter words:
frag8,
frig8,
frog8,
fair7,
faro7,
fiar7,
fora7,
agio5,
giro5,
ragi5,
3 letter words:
fag7,
fig7,
fog7,
arf6,
far6,
fir6,
for6,
fro6,
oaf6,
rif6,
ago4,
gar4,
goa4,
gor4,
rag4,
rig4,
air3,
oar3,
ora3,
rai3,
ria3,
2 letter words:
fa5,
if5,
of5,
ag3,
go3,
ai2,
ar2,
oi2,
or2,