6 letter words:
figure10,
5 letter words:
grief9,
curie7,
ureic7,
4 letter words:
cuif9,
curf9,
fice9,
fuci9,
frig8,
frug8,
fire7,
reif7,
rife7,
cire6,
cure6,
ecru6,
rice6,
uric6,
grue5,
urge5,
3 letter words:
fig7,
fug7,
cig6,
fer6,
feu6,
fie6,
fir6,
fur6,
ref6,
rif6,
cru5,
cue5,
cur5,
ecu5,
ice5,
rec5,
erg4,
gie4,
reg4,
rig4,
rug4,
ire3,
rei3,
rue3,
2 letter words:
ef5,
fe5,
if5,
er2,
re2,