5 letter words:
flank12,
flunk12,
baulk11,
blank11,
4 letter words:
flak11,
funk11,
balk10,
bank10,
bulk10,
bunk10,
flab9,
flub9,
kuna8,
lank8,
lunk8,
faun7,
flan7,
buna6,
luna4,
ulan4,
ulna4,
3 letter words:
kaf10,
kab9,
fab8,
fub8,
auk7,
fan6,
flu6,
fun6,
alb5,
bal5,
ban5,
bun5,
lab5,
nab5,
nub5,
2 letter words:
ka6,
fa5,
ab4,
ba4,
al2,
an2,
la2,
na2,
nu2,
un2,