7 letter words:
surfing11,
6 letter words:
fusing10,
unrigs7,
5 letter words:
frigs9,
frugs9,
fungi9,
firns8,
girns6,
grins6,
rings6,
ruing6,
rungs6,
suing6,
unrig6,
using6,
ruins5,
4 letter words:
figs8,
frig8,
frug8,
fugs8,
fins7,
firn7,
firs7,
funs7,
furs7,
rifs7,
surf7,
gins5,
girn5,
gnus5,
grin5,
guns5,
rigs5,
ring5,
rugs5,
rung5,
sign5,
sing5,
snug5,
sung5,
rins4,
ruin4,
runs4,
urns4,
3 letter words:
fig7,
fug7,
fin6,
fir6,
fun6,
fur6,
ifs6,
rif6,
gin4,
gnu4,
gun4,
rig4,
rug4,
ins3,
nus3,
rin3,
run3,
sin3,
sir3,
sri3,
sun3,
uns3,
urn3,
2 letter words:
if5,
in2,
is2,
nu2,
si2,
un2,
us2,
