7 letter words:
diffuse14,
sniffed14,
snuffed14,
infused11,
6 letter words:
fiends10,
infuse9,
indues7,
nudies7,
undies7,
5 letter words:
diffs12,
duffs12,
fifed12,
fiefs11,
fifes11,
sniff11,
snuff11,
defis9,
fends9,
feuds9,
fiend9,
finds9,
fined9,
fundi9,
funds9,
fused9,
unfed9,
fines8,
neifs8,
dines6,
dunes6,
indue6,
nides6,
nidus6,
nudes6,
nudie6,
snide6,
4 letter words:
diff11,
duff11,
effs10,
fief10,
fife10,
defi8,
difs8,
feds8,
fend8,
feud8,
fids8,
find8,
fuds8,
fund8,
enuf7,
fens7,
feus7,
fine7,
fins7,
funs7,
fuse7,
neif7,
seif7,
deni5,
dens5,
dies5,
dine5,
dins5,
dues5,
dune5,
duns5,
ends5,
ides5,
nide5,
nude5,
send5,
side5,
sned5,
sued5,
unde5,
used5,
sine4,
3 letter words:
eff9,
iff9,
def7,
dif7,
fed7,
fid7,
fud7,
efs6,
fen6,
fes6,
feu6,
fie6,
fin6,
fun6,
ifs6,
den4,
die4,
din4,
dis4,
due4,
dui4,
dun4,
eds4,
end4,
ids4,
ens3,
ins3,
nus3,
sei3,
sen3,
sin3,
sue3,
sun3,
uns3,
use3,
2 letter words:
ef5,
fe5,
if5,
de3,
ed3,
id3,
en2,
es2,
in2,
is2,
ne2,
nu2,
si2,
un2,
us2,