5 letter words:
fairs8,
fiars8,
frass8,
arsis5,
saris5,
4 letter words:
arfs7,
fair7,
fiar7,
firs7,
rifs7,
airs4,
iris4,
rais4,
rias4,
sari4,
sirs4,
sris4,
3 letter words:
arf6,
far6,
fas6,
fir6,
ifs6,
rif6,
air3,
ais3,
ars3,
ass3,
rai3,
ras3,
ria3,
sir3,
sis3,
sri3,
2 letter words:
fa5,
if5,
ai2,
ar2,
as2,
is2,
si2,