7 letter words:
furrier10,
5 letter words:
firer8,
frier8,
rifer8,
4 letter words:
fier7,
fire7,
furr7,
reif7,
rife7,
iure4,
ruer4,
3 letter words:
erf6,
fer6,
feu6,
fie6,
fir6,
fur6,
ref6,
rif6,
err3,
ire3,
rei3,
rue3,
ure3,
2 letter words:
ef5,
fe5,
if5,
er2,
re2,
ur2,
