5 letter words:
birch12,
brugh11,
burgh11,
chiru10,
4 letter words:
chub11,
chug10,
buhr9,
huic9,
rich9,
crib8,
curb8,
brig7,
burg7,
grub7,
uric6,
3 letter words:
chi8,
hic8,
hub8,
ich8,
cub7,
ghi7,
hug7,
ugh7,
big6,
bug6,
cig6,
gib6,
bur5,
cru5,
cur5,
rib5,
rub5,
urb5,
rig4,
rug4,
2 letter words:
hi5,
uh5,
bi4,