5 letter words:
ficin10,
finca10,
acini7,
4 letter words:
fink11,
kaif11,
nick10,
akin8,
kain8,
kina8,
fain7,
naif7,
cain6,
inia4,
3 letter words:
kaf10,
kif10,
ick9,
ink7,
kin7,
fan6,
fin6,
can5,
ain3,
ani3,
2 letter words:
ka6,
ki6,
fa5,
if5,
ai2,
an2,
in2,
na2,