7 letter words:
auxinic16,
6 letter words:
confix18,
anoxic15,
axonic15,
coffin14,
cuffin14,
fanfic14,
unific11,
5 letter words:
affix18,
infix15,
unfix15,
caxon14,
cuffo13,
auxin12,
axion12,
ficin10,
finca10,
acini7,
conia7,
ionic7,
uncia7,
4 letter words:
faix14,
faux14,
coax13,
coxa13,
caff12,
coff12,
cuff12,
axon11,
ixia11,
fifi10,
naff10,
niff10,
nuff10,
cauf9,
coif9,
conf9,
cuif9,
fico9,
foci9,
fuci9,
fain7,
fano7,
faun7,
fini7,
fino7,
foin7,
info7,
naif7,
cain6,
ciao6,
cion6,
coin6,
coni6,
icon6,
unci6,
unco6,
inia4,
naoi4,
unai4,
3 letter words:
fax13,
fix13,
fox13,
cox12,
nix10,
nox10,
aff9,
iff9,
off9,
auf6,
fan6,
fin6,
fon6,
fou6,
fun6,
oaf6,
ufo6,
can5,
con5,
oca5,
ain3,
ani3,
ion3,
uni3,
2 letter words:
ax9,
ox9,
xi9,
xu9,
fa5,
if5,
of5,
ai2,
an2,
in2,
io2,
na2,
no2,
nu2,
oi2,
on2,
ou2,
un2,