9 letter words:
sulfuring13,
7 letter words:
furling11,
ingulfs11,
surfing11,
unfurls10,
rulings8,
6 letter words:
flings10,
fungus10,
fusing10,
ingulf10,
sinful9,
sulfur9,
unfurl9,
lungis7,
luring7,
ruling7,
sluing7,
unguis7,
unrigs7,
5 letter words:
fling9,
flung9,
frigs9,
frugs9,
fugus9,
fungi9,
gulfs9,
firns8,
flirs8,
furls8,
fusil8,
girls6,
girns6,
grins6,
gurus6,
iglus6,
lings6,
lungi6,
lungs6,
rings6,
ruing6,
rungs6,
sling6,
slung6,
suing6,
unrig6,
using6,
nurls5,
ruins5,
4 letter words:
figs8,
frig8,
frug8,
fugs8,
fugu8,
gulf8,
fils7,
fins7,
firn7,
firs7,
flir7,
flus7,
funs7,
furl7,
furs7,
rifs7,
surf7,
gins5,
girl5,
girn5,
gnus5,
grin5,
guls5,
guns5,
guru5,
iglu5,
ling5,
lugs5,
lung5,
rigs5,
ring5,
rugs5,
rung5,
sign5,
sing5,
slug5,
snug5,
sung5,
lins4,
nils4,
nurl4,
rins4,
ruin4,
runs4,
slur4,
sulu4,
ulus4,
urns4,
urus4,
3 letter words:
fig7,
fug7,
fil6,
fin6,
fir6,
flu6,
fun6,
fur6,
ifs6,
rif6,
gin4,
gnu4,
gul4,
gun4,
lug4,
rig4,
rug4,
ins3,
lin3,
lis3,
nil3,
nus3,
rin3,
run3,
sin3,
sir3,
sri3,
sun3,
ulu3,
uns3,
urn3,
2 letter words:
if5,
in2,
is2,
li2,
nu2,
si2,
un2,
us2,