5 letter words:
drouk10,
bourd8,
flour8,
fluor8,
furol8,
4 letter words:
folk11,
fork11,
bork10,
bouk10,
bulk10,
burk10,
bufo9,
dork9,
douk9,
flub9,
forb9,
kudo9,
fold8,
ford8,
foud8,
koru8,
lurk8,
oulk8,
bold7,
bord7,
brod7,
budo7,
burd7,
dorb7,
drub7,
flor7,
foul7,
four7,
furl7,
rolf7,
blur6,
burl6,
dour5,
duro5,
lord5,
loud5,
ludo5,
ould5,
lour4,
roul4,
3 letter words:
bok9,
kob9,
fob8,
fub8,
dof7,
fud7,
kor7,
ouk7,
rok7,
bod6,
bud6,
dob6,
dub6,
flu6,
for6,
fou6,
fro6,
fur6,
orf6,
ufo6,
bor5,
bro5,
bru5,
bur5,
lob5,
orb5,
rob5,
rub5,
urb5,
dol4,
dor4,
duo4,
lod4,
lud4,
old4,
ord4,
oud4,
rod4,
rud4,
udo4,
urd4,
lor3,
lou3,
lur3,
our3,
2 letter words:
ko6,
of5,
bo4,
ob4,
do3,
od3,
lo2,
or2,
ou2,
ur2,