9 letter words:
caffeinic19,
7 letter words:
caffein15,
6 letter words:
fanfic14,
affine12,
fiance11,
acinic10,
5 letter words:
ficin10,
finca10,
faine8,
acini7,
eniac7,
4 letter words:
caff12,
fief10,
fife10,
fifi10,
naff10,
niff10,
cafe9,
face9,
fice9,
ceca8,
fain7,
fane7,
feni7,
fine7,
fini7,
naif7,
neif7,
nief7,
nife7,
acne6,
ance6,
cain6,
cane6,
cine6,
nice6,
aine4,
eina4,
inia4,
3 letter words:
aff9,
eff9,
iff9,
fae6,
fan6,
fen6,
fie6,
fin6,
nef6,
ace5,
can5,
ice5,
ain3,
ane3,
ani3,
ean3,
nae3,
nie3,
2 letter words:
ef5,
fa5,
fe5,
if5,
ae2,
ai2,
an2,
ea2,
en2,
in2,
na2,
ne2,
