6 letter words:
filial9,
finial9,
infall9,
infill9,
5 letter words:
final8,
flail8,
ilial5,
4 letter words:
alif7,
fail7,
fain7,
fall7,
fila7,
fill7,
flan7,
naif7,
anil4,
ilia4,
inia4,
lain4,
nail4,
nill4,
3 letter words:
fan6,
fil6,
fin6,
ail3,
ain3,
all3,
ani3,
ill3,
lin3,
nil3,
2 letter words:
fa5,
if5,
ai2,
al2,
an2,
in2,
la2,
li2,
na2,