7 letter words:
foretop12,
poofter12,
6 letter words:
foetor9,
footer9,
5 letter words:
proof10,
fetor8,
forte8,
ofter8,
repot7,
toper7,
troop7,
trope7,
4 letter words:
poof9,
prof9,
foot7,
fore7,
fort7,
fret7,
froe7,
reft7,
roof7,
tref7,
pert6,
poet6,
poor6,
pore6,
port6,
repo6,
rope6,
tope6,
topo6,
trop6,
root4,
rote4,
roto4,
tore4,
toro4,
3 letter words:
fop8,
eft6,
fer6,
fet6,
foe6,
for6,
fro6,
oft6,
ref6,
ope5,
opt5,
per5,
pet5,
poo5,
pot5,
pro5,
rep5,
top5,
oot3,
ore3,
ort3,
ret3,
roe3,
rot3,
toe3,
too3,
tor3,
2 letter words:
ef5,
fe5,
of5,
op4,
pe4,
er2,
et2,
oe2,
or2,
re2,
to2,