6 letter words:
francs11,
furans9,
5 letter words:
curfs10,
franc10,
scarf10,
scurf10,
fauns8,
furan8,
snafu8,
snarf8,
arcus7,
carns7,
curns7,
narcs7,
scaur7,
4 letter words:
curf9,
arfs7,
fans7,
faun7,
funs7,
furs7,
surf7,
arcs6,
cans6,
carn6,
cars6,
crus6,
curn6,
curs6,
narc6,
scan6,
scar6,
anus4,
runs4,
sura4,
urns4,
ursa4,
3 letter words:
arf6,
fan6,
far6,
fas6,
fun6,
fur6,
arc5,
can5,
car5,
cru5,
cur5,
sac5,
ars3,
nus3,
ran3,
ras3,
run3,
sau3,
sun3,
uns3,
urn3,
2 letter words:
fa5,
an2,
ar2,
as2,
na2,
nu2,
un2,
us2,