7 letter words:
incurve12,
5 letter words:
curve10,
riven8,
curie7,
incur7,
nicer7,
runic7,
ureic7,
inure5,
urine5,
4 letter words:
vice9,
nevi7,
rive7,
vein7,
vier7,
vine7,
cine6,
cire6,
cure6,
curn6,
ecru6,
nice6,
rice6,
unci6,
uric6,
rein4,
ruin4,
rune4,
3 letter words:
rev6,
vie6,
cru5,
cue5,
cur5,
ecu5,
ice5,
rec5,
ern3,
ire3,
rei3,
rin3,
rue3,
run3,
urn3,
2 letter words:
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,
