6 letter words:
seizin15,
5 letter words:
zeins14,
zines14,
fines8,
finis8,
neifs8,
nisei5,
4 letter words:
size13,
zein13,
zine13,
zins13,
fens7,
fine7,
fins7,
neif7,
seif7,
nisi4,
sine4,
3 letter words:
fez15,
fiz15,
zin12,
efs6,
fen6,
fes6,
fie6,
fin6,
ifs6,
ens3,
ins3,
sei3,
sen3,
sin3,
2 letter words:
ef5,
fe5,
if5,
en2,
es2,
in2,
is2,
ne2,
si2,