9 letter words:
assassins9,
8 letter words:
fissions11,
assassin8,
7 letter words:
aftosas10,
fission10,
assists7,
atonias7,
insists7,
isatins7,
sonatas7,
6 letter words:
aftosa9,
faints9,
fatsos9,
finito9,
foists9,
fossas9,
softas9,
tafias9,
assais6,
assist6,
atonia6,
insist6,
isatin6,
saints6,
santos6,
sasins6,
satins6,
sonata6,
stains6,
stasis6,
5 letter words:
faint8,
fanos8,
fasts8,
fatso8,
fiats8,
finis8,
finos8,
fists8,
foins8,
foist8,
fonts8,
fossa8,
infos8,
naifs8,
sifts8,
sofas8,
softa8,
softs8,
tafia8,
anoas5,
antas5,
antis5,
assai5,
intis5,
iotas5,
oasis5,
oasts5,
ossia5,
ostia5,
sains5,
saint5,
santo5,
sasin5,
satin5,
satis5,
snits5,
snots5,
stain5,
stoai5,
stoas5,
stoss5,
tains5,
4 letter words:
fain7,
fano7,
fans7,
fast7,
fats7,
fiat7,
fino7,
fins7,
fist7,
fits7,
foin7,
fons7,
font7,
foss7,
info7,
naif7,
oafs7,
sift7,
sofa7,
soft7,
ains4,
aits4,
anas4,
anis4,
anoa4,
ansa4,
anta4,
anti4,
ants4,
inia4,
inti4,
into4,
ions4,
iota4,
naoi4,
naos4,
nisi4,
nits4,
nota4,
oast4,
oats4,
ossa4,
sain4,
sans4,
sass4,
sati4,
sins4,
sits4,
snit4,
snot4,
sons4,
sots4,
stoa4,
tain4,
tans4,
taos4,
tass4,
tins4,
tons4,
toss4,
3 letter words:
aft6,
fan6,
fas6,
fat6,
fin6,
fit6,
fon6,
ifs6,
oaf6,
oft6,
aas3,
ain3,
ais3,
ait3,
ana3,
ani3,
ant3,
ass3,
ins3,
ion3,
its3,
nit3,
nos3,
not3,
oat3,
ons3,
sat3,
sin3,
sis3,
sit3,
son3,
sos3,
sot3,
tan3,
tao3,
tas3,
tin3,
tis3,
ton3,
2 letter words:
fa5,
if5,
of5,
aa2,
ai2,
an2,
as2,
at2,
in2,
is2,
it2,
na2,
no2,
oi2,
on2,
os2,
si2,
so2,
ta2,
ti2,
to2,