5 letter words:
curie7,
ureic7,
4 letter words:
cuif9,
curf9,
fice9,
fuci9,
fier7,
fire7,
reif7,
rife7,
cire6,
crue6,
cure6,
ecru6,
eric6,
icer6,
rice6,
uric6,
iure4,
3 letter words:
erf6,
fer6,
feu6,
fie6,
fir6,
fur6,
ref6,
rif6,
cru5,
cue5,
cur5,
ecu5,
ice5,
rec5,
ruc5,
ire3,
rei3,
rue3,
ure3,
2 letter words:
ef5,
fe5,
if5,
er2,
re2,
ur2,