7 letter words:
infauna10,
5 letter words:
facia10,
finca10,
fauna8,
canna7,
uncia7,
4 letter words:
zinc15,
azan13,
nazi13,
cuif9,
fuci9,
fain7,
faun7,
naif7,
cain6,
unci6,
anna4,
naan4,
nana4,
unai4,
3 letter words:
fiz15,
zin12,
fan6,
fin6,
fun6,
can5,
ain3,
ana3,
ani3,
inn3,
nan3,
nun3,
2 letter words:
za11,
fa5,
if5,
aa2,
ai2,
an2,
in2,
na2,
nu2,
un2,