5 letter words:
fairs8,
fiars8,
frass8,
surfs8,
arsis5,
auris5,
risus5,
saris5,
suras5,
4 letter words:
arfs7,
fair7,
fiar7,
firs7,
furs7,
fuss7,
rifs7,
surf7,
airs4,
iris4,
rais4,
rias4,
sari4,
sass4,
sirs4,
sris4,
sura4,
suss4,
ursa4,
3 letter words:
arf6,
far6,
fas6,
fir6,
fur6,
ifs6,
rif6,
air3,
ais3,
ars3,
ass3,
rai3,
ras3,
ria3,
sau3,
sir3,
sis3,
sri3,
2 letter words:
fa5,
if5,
ai2,
ar2,
as2,
is2,
si2,
us2,