6 letter words:
ruckus12,
sulfur9,
5 letter words:
fucks14,
gucks12,
lucks11,
rucks11,
sculk11,
curfs10,
fucus10,
scurf10,
frugs9,
fugus9,
gulfs9,
kurus9,
lurks9,
furls8,
curls7,
gurls6,
gurus6,
4 letter words:
fuck13,
guck11,
cusk10,
luck10,
ruck10,
suck10,
curf9,
fusc9,
skug9,
frug8,
fugs8,
fugu8,
gulf8,
kuru8,
lurk8,
lusk8,
rusk8,
sulk8,
flus7,
furl7,
furs7,
scug7,
surf7,
crus6,
curl6,
curs6,
rucs6,
scul6,
scur6,
guls5,
gurl5,
gurs5,
guru5,
lugs5,
rugs5,
slug5,
lurs4,
slur4,
sulu4,
ulus4,
urus4,
3 letter words:
fug7,
suk7,
flu6,
fur6,
cru5,
cur5,
ruc5,
gul4,
gur4,
gus4,
lug4,
rug4,
ugs4,
lur3,
sur3,
ulu3,
2 letter words:
gu3,
ug3,
ur2,
us2,