13 letter words:
insufficiency26,
11 letter words:
sufficiency24,
7 letter words:
suffice15,
funnies10,
unifies10,
cuisine9,
6 letter words:
sniffy15,
snuffy15,
cynics13,
ficins11,
unific11,
scenic10,
infuse9,
incise8,
incuse8,
uncini8,
ennuis6,
5 letter words:
cuffs13,
fyces13,
scuff13,
cynic12,
fenny11,
fiefs11,
fifes11,
finny11,
funny11,
sniff11,
snuff11,
unify11,
cuifs10,
fices10,
ficin10,
ficus10,
yince10,
cusec9,
fines8,
finis8,
neifs8,
sunny8,
cines7,
incus7,
since7,
ennui5,
nines5,
nisei5,
4 letter words:
iffy13,
cuff12,
fyce12,
effs10,
fief10,
fife10,
cuif9,
fice9,
fisc9,
fuci9,
syce9,
sync9,
enuf7,
fens7,
feus7,
fine7,
fins7,
funs7,
fuse7,
neif7,
seif7,
snye7,
syne7,
yens7,
yins7,
cine6,
cues6,
ecus6,
ices6,
nice6,
sice6,
unci6,
inns4,
nine4,
nisi4,
nuns4,
sine4,
sunn4,
3 letter words:
eff9,
fey9,
iff9,
icy8,
efs6,
fen6,
fes6,
feu6,
fie6,
fin6,
fun6,
ifs6,
syn6,
yen6,
yes6,
yin6,
cis5,
cue5,
ecu5,
ice5,
sec5,
sic5,
ens3,
inn3,
ins3,
nun3,
nus3,
sei3,
sen3,
sin3,
sue3,
sun3,
uns3,
use3,
2 letter words:
ef5,
fe5,
if5,
ye5,
en2,
es2,
in2,
is2,
ne2,
nu2,
si2,
un2,
us2,