6 letter words:
figure10,
refuge10,
5 letter words:
fugie9,
grief9,
grufe9,
fiere8,
regie6,
4 letter words:
frig8,
frug8,
feer7,
fere7,
fier7,
fire7,
free7,
reef7,
reif7,
rife7,
eger5,
euge5,
gere5,
gree5,
grue5,
urge5,
iure4,
3 letter words:
feg7,
fig7,
fug7,
gif7,
erf6,
fee6,
fer6,
feu6,
fie6,
fir6,
fur6,
ref6,
rif6,
erg4,
gee4,
gie4,
gue4,
gur4,
reg4,
rig4,
rug4,
ere3,
ire3,
ree3,
rei3,
rue3,
ure3,
2 letter words:
ef5,
fe5,
if5,
gi3,
gu3,
ug3,
ee2,
er2,
re2,
ur2,