5 letter words:
bough11,
brugh11,
burgh11,
rough9,
bourg8,
4 letter words:
buhr9,
forb9,
frog8,
frug8,
burg7,
four7,
grub7,
hour7,
3 letter words:
foh9,
fob8,
fub8,
hob8,
hub8,
fog7,
fug7,
hog7,
hug7,
ugh7,
bog6,
bug6,
for6,
fou6,
fro6,
fur6,
gob6,
rho6,
bro5,
bur5,
orb5,
rob5,
rub5,
urb5,
gor4,
rug4,
our3,
2 letter words:
ho5,
of5,
oh5,
uh5,
bo4,
go3,
or2,