5 letter words:
fains8,
naifs8,
assai5,
sains5,
sansa5,
sasin5,
4 letter words:
faan7,
faas7,
fain7,
fans7,
fins7,
naif7,
aias4,
ains4,
anas4,
anis4,
ansa4,
isna4,
sain4,
sais4,
sans4,
sins4,
3 letter words:
faa6,
fan6,
fas6,
fin6,
ifs6,
sif6,
aas3,
aia3,
ain3,
ais3,
ana3,
ani3,
ass3,
ins3,
nas3,
nis3,
sai3,
san3,
sin3,
sis3,
2 letter words:
fa5,
if5,
aa2,
ai2,
an2,
as2,
in2,
is2,
na2,
si2,