5 letter words:
buchu12,
churl10,
lurch10,
4 letter words:
chub11,
buhl9,
buhr9,
curf9,
flub9,
club8,
curb8,
furl7,
hurl7,
blur6,
burl6,
curl6,
3 letter words:
fub8,
hub8,
cub7,
flu6,
fur6,
bru5,
bur5,
cru5,
cur5,
rub5,
ruc5,
urb5,
lur3,
ulu3,
2 letter words:
ch7,
uh5,
ur2,