6 letter words:
swarfs12,
swarms11,
murras8,
surras6,
5 letter words:
swarf11,
farms10,
swarm10,
wamus10,
warms10,
frass8,
surfs8,
arums7,
muras7,
murra7,
murrs7,
ramus7,
suras5,
surra5,
4 letter words:
farm9,
maws9,
swam9,
swum9,
warm9,
arfs7,
furs7,
fuss7,
raws7,
saws7,
surf7,
wars7,
waur7,
wuss7,
amus6,
arms6,
arum6,
mars6,
mass6,
mura6,
murr6,
muss6,
rams6,
rums6,
sums6,
sura4,
ursa4,
3 letter words:
maw8,
arf6,
far6,
fas6,
fur6,
raw6,
saw6,
war6,
was6,
amu5,
arm5,
mar5,
mas5,
mus5,
ram5,
rum5,
sum5,
ars3,
ass3,
ras3,
sau3,
2 letter words:
aw5,
fa5,
am4,
ma4,
mu4,
um4,
ar2,
as2,
us2,