8 letter words:
affiance16,
7 letter words:
caffein15,
6 letter words:
fanfic14,
affine12,
faciae11,
fiance11,
5 letter words:
facia10,
finca10,
faena8,
aecia7,
4 letter words:
caff12,
fief10,
fife10,
naff10,
cafe9,
face9,
fice9,
fain7,
fane7,
fine7,
naif7,
neif7,
acne6,
cain6,
cane6,
cine6,
nice6,
3 letter words:
aff9,
eff9,
iff9,
fan6,
fen6,
fie6,
fin6,
ace5,
can5,
ice5,
ain3,
ana3,
ane3,
ani3,
nae3,
2 letter words:
ef5,
fa5,
fe5,
if5,
aa2,
ae2,
ai2,
an2,
en2,
in2,
na2,
ne2,
