5 letter words:
afros8,
faros8,
fours8,
fraus8,
sofar8,
uraos5,
4 letter words:
afro7,
arfs7,
aufs7,
faro7,
fars7,
faur7,
fora7,
four7,
fous7,
fras7,
frau7,
fros7,
furs7,
oafs7,
orfs7,
sofa7,
surf7,
ufos7,
oars4,
osar4,
ours4,
rusa4,
soar4,
sora4,
sour4,
sura4,
urao4,
ursa4,
3 letter words:
arf6,
auf6,
far6,
fas6,
for6,
fou6,
fra6,
fro6,
fur6,
oaf6,
orf6,
ufo6,
ars3,
oar3,
ora3,
ors3,
our3,
ous3,
ras3,
sar3,
sau3,
sou3,
sur3,
2 letter words:
fa5,
of5,
ar2,
as2,
or2,
os2,
ou2,
so2,
ur2,
us2,