6 letter words:
finnac11,
niacin8,
5 letter words:
facia10,
ficin10,
finca10,
acini7,
canna7,
4 letter words:
faan7,
fain7,
fini7,
naif7,
acai6,
cain6,
cann6,
anan4,
anna4,
inia4,
naan4,
nain4,
nana4,
3 letter words:
faa6,
fan6,
fin6,
caa5,
can5,
aia3,
ain3,
ana3,
ani3,
ann3,
inn3,
nan3,
2 letter words:
fa5,
if5,
aa2,
ai2,
an2,
in2,
na2,