10 letter words:
inefficacy23,
9 letter words:
caffeinic19,
8 letter words:
efficacy21,
7 letter words:
fancify18,
caffein15,
6 letter words:
fanfic14,
cyanic13,
affine12,
fiance11,
acinic10,
5 letter words:
fancy13,
cynic12,
ficin10,
finca10,
yince10,
acini7,
4 letter words:
iffy13,
yaff13,
caff12,
fyce12,
fief10,
fife10,
naff10,
cafe9,
cyan9,
face9,
fice9,
ceca8,
ayin7,
fain7,
fane7,
fine7,
naif7,
neif7,
yean7,
acne6,
cain6,
cane6,
cine6,
nice6,
inia4,
3 letter words:
aff9,
eff9,
fay9,
fey9,
iff9,
cay8,
icy8,
any6,
aye6,
fan6,
fen6,
fie6,
fin6,
nay6,
yea6,
yen6,
yin6,
ace5,
can5,
ice5,
ain3,
ane3,
ani3,
nae3,
2 letter words:
ay5,
ef5,
fa5,
fe5,
if5,
ya5,
ye5,
ae2,
ai2,
an2,
en2,
in2,
na2,
ne2,
