4 letter words:
crew9,
wren7,
crue6,
cure6,
curn6,
ecru6,
unce6,
rune4,
3 letter words:
cuz14,
rez12,
new6,
rew6,
wen6,
cru5,
cue5,
cur5,
ecu5,
rec5,
ruc5,
ern3,
nur3,
ren3,
rue3,
run3,
ure3,
urn3,
2 letter words:
we5,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,