6 letter words:
cering9,
cringe9,
cueing9,
curing9,
5 letter words:
cuing8,
genic8,
curie7,
incur7,
nicer7,
runic7,
ureic7,
reign6,
renig6,
ruing6,
unrig6,
inure5,
urine5,
4 letter words:
cine6,
cire6,
cure6,
curn6,
ecru6,
nice6,
rice6,
unci6,
uric6,
genu5,
gien5,
girn5,
grin5,
grue5,
ring5,
rung5,
urge5,
rein4,
ruin4,
rune4,
3 letter words:
cig6,
cru5,
cue5,
cur5,
ecu5,
ice5,
rec5,
eng4,
erg4,
gen4,
gie4,
gin4,
gnu4,
gun4,
neg4,
reg4,
rig4,
rug4,
ern3,
ire3,
rei3,
rin3,
rue3,
run3,
urn3,
2 letter words:
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,