6 letter words:
franks13,
knaurs10,
furans9,
5 letter words:
frank12,
funks12,
ankus9,
karns9,
knars9,
knaur9,
knurs9,
kurus9,
narks9,
rakus9,
ranks9,
snark9,
fauns8,
furan8,
snafu8,
snarf8,
unaus5,
4 letter words:
funk11,
kafs11,
arks8,
auks8,
karn8,
knar8,
knur8,
kuna8,
kuru8,
nark8,
raku8,
rank8,
rusk8,
sank8,
sark8,
skua8,
sunk8,
arfs7,
fans7,
faun7,
funs7,
furs7,
surf7,
anus4,
runs4,
sura4,
unau4,
urns4,
ursa4,
urus4,
3 letter words:
kaf10,
ark7,
ask7,
auk7,
kas7,
ska7,
suk7,
arf6,
fan6,
far6,
fas6,
fun6,
fur6,
ars3,
nus3,
ran3,
ras3,
run3,
sau3,
sun3,
uns3,
urn3,
2 letter words:
ka6,
fa5,
an2,
ar2,
as2,
na2,
nu2,
un2,
us2,