6 letter words:
forums11,
groufs10,
5 letter words:
forms10,
forum10,
frogs9,
frugs9,
grouf9,
fours8,
gorms8,
smogs8,
smugs8,
surfs8,
musos7,
roums7,
smurs7,
soums7,
sumos7,
gross6,
sorus5,
sours5,
4 letter words:
form9,
from9,
fums9,
fogs8,
frog8,
frug8,
fugs8,
foss7,
four7,
fous7,
fros7,
furs7,
fuss7,
gorm7,
grum7,
gums7,
mogs7,
mugs7,
orfs7,
smog7,
smug7,
surf7,
ufos7,
mors6,
moss6,
mous6,
muso6,
muss6,
roms6,
roum6,
rums6,
smur6,
soms6,
soum6,
sumo6,
sums6,
goss5,
gurs5,
rugs5,
sogs5,
ours4,
sour4,
sous4,
3 letter words:
fum8,
fog7,
fug7,
for6,
fou6,
fro6,
fur6,
gum6,
mog6,
mug6,
orf6,
ufo6,
mor5,
mos5,
mou5,
mus5,
oms5,
rom5,
rum5,
som5,
sum5,
gor4,
gos4,
gur4,
gus4,
rug4,
sog4,
ugs4,
ors3,
our3,
ous3,
sos3,
sou3,
sur3,
sus3,
2 letter words:
of5,
mo4,
mu4,
om4,
um4,
go3,
gu3,
ug3,
or2,
os2,
ou2,
so2,
ur2,
us2,