10 letter words:
standfasts14,
9 letter words:
standfast13,
8 letter words:
fantasts11,
tsantsas8,
7 letter words:
fantads11,
fantast10,
tsantsa7,
6 letter words:
fantad10,
stands7,
sansas6,
5 letter words:
fands9,
fasts8,
dants6,
nadas6,
sands6,
stand6,
antas5,
sansa5,
sants5,
stats5,
tanas5,
4 letter words:
daft8,
fads8,
fand8,
faan7,
faas7,
fans7,
fast7,
fats7,
saft7,
ands5,
dans5,
dant5,
data5,
nada5,
nads5,
sads5,
sand5,
tads5,
anas4,
ansa4,
anta4,
ants4,
nats4,
sans4,
sant4,
sass4,
stat4,
tana4,
tans4,
tass4,
tats4,
3 letter words:
fad7,
aft6,
faa6,
fan6,
fas6,
fat6,
ads4,
and4,
dan4,
das4,
sad4,
tad4,
aas3,
ana3,
ant3,
ass3,
att3,
nas3,
nat3,
san3,
sat3,
tan3,
tas3,
tat3,
2 letter words:
fa5,
ad3,
da3,
aa2,
an2,
as2,
at2,
na2,
st2,
ta2,