6 letter words:
afront9,
fautor9,
foutra9,
outran6,
5 letter words:
fouat8,
fount8,
front8,
furan8,
futon8,
arnut5,
orant5,
rotan5,
tauon5,
toran5,
trona5,
4 letter words:
afro7,
fano7,
faro7,
fart7,
faun7,
faur7,
faut7,
font7,
fora7,
fort7,
four7,
frat7,
frau7,
raft7,
tofu7,
tufa7,
turf7,
aunt4,
auto4,
nota4,
nout4,
ourn4,
rant4,
rato4,
ratu4,
raun4,
roan4,
ront4,
rota4,
rout4,
runt4,
tarn4,
taro4,
tora4,
torn4,
toun4,
tour4,
tron4,
tuan4,
tuna4,
turn4,
unto4,
urao4,
3 letter words:
aft6,
arf6,
auf6,
fan6,
far6,
fat6,
fon6,
for6,
fou6,
fra6,
fro6,
fun6,
fur6,
oaf6,
oft6,
orf6,
ufo6,
ant3,
art3,
nat3,
nor3,
not3,
nur3,
nut3,
oar3,
oat3,
ora3,
ort3,
our3,
out3,
ran3,
rat3,
rot3,
run3,
rut3,
tan3,
tao3,
tar3,
tau3,
ton3,
tor3,
tun3,
urn3,
uta3,
2 letter words:
fa5,
of5,
an2,
ar2,
at2,
na2,
no2,
nu2,
on2,
or2,
ou2,
ta2,
to2,
un2,
ur2,
ut2,