7 letter words:
funfest13,
stiffen13,
tuffets13,
6 letter words:
tuffet12,
feints9,
finest9,
funest9,
infest9,
infuse9,
unfits9,
sitten6,
tenuis6,
tenuti6,
unites6,
unties6,
5 letter words:
fiefs11,
fifes11,
sniff11,
snuff11,
stiff11,
stuff11,
teffs11,
tiffs11,
tuffs11,
feint8,
feist8,
fetus8,
fines8,
neifs8,
tufts8,
unfit8,
etuis5,
inset5,
neist5,
netts5,
nites5,
senti5,
stein5,
stent5,
stint5,
stunt5,
suint5,
suite5,
tents5,
tines5,
tints5,
tunes5,
unite5,
units5,
unset5,
untie5,
4 letter words:
effs10,
fief10,
fife10,
teff10,
tiff10,
tuff10,
efts7,
enuf7,
fens7,
fest7,
fets7,
feus7,
fine7,
fins7,
fist7,
fits7,
funs7,
fuse7,
neif7,
seif7,
sift7,
tuft7,
etui4,
nest4,
nets4,
nett4,
nite4,
nits4,
nuts4,
sent4,
sett4,
sine4,
site4,
snit4,
stet4,
stun4,
suet4,
suit4,
tens4,
tent4,
test4,
tets4,
ties4,
tine4,
tins4,
tint4,
tits4,
tuis4,
tune4,
tuns4,
tuts4,
unit4,
utes4,
3 letter words:
eff9,
iff9,
efs6,
eft6,
fen6,
fes6,
fet6,
feu6,
fie6,
fin6,
fit6,
fun6,
ifs6,
ens3,
ins3,
its3,
net3,
nit3,
nus3,
nut3,
sei3,
sen3,
set3,
sin3,
sit3,
sue3,
sun3,
ten3,
tet3,
tie3,
tin3,
tis3,
tit3,
tui3,
tun3,
tut3,
uns3,
use3,
ute3,
uts3,
2 letter words:
ef5,
fe5,
if5,
en2,
es2,
et2,
in2,
is2,
it2,
ne2,
nu2,
si2,
ti2,
un2,
us2,
ut2,