7 letter words:
firepot12,
piefort12,
6 letter words:
profit11,
protei8,
5 letter words:
fetor8,
forte8,
ofter8,
refit8,
repot7,
toper7,
tripe7,
trope7,
4 letter words:
prof9,
fire7,
fore7,
fort7,
fret7,
frit7,
froe7,
reft7,
reif7,
rife7,
rift7,
tref7,
peri6,
pert6,
pier6,
poet6,
pore6,
port6,
repo6,
ripe6,
rope6,
tope6,
topi6,
trip6,
trop6,
riot4,
rite4,
rote4,
roti4,
tier4,
tire4,
tiro4,
tore4,
tori4,
trio4,
3 letter words:
fop8,
eft6,
fer6,
fet6,
fie6,
fir6,
fit6,
foe6,
for6,
fro6,
oft6,
ref6,
rif6,
ope5,
opt5,
per5,
pet5,
pie5,
pit5,
poi5,
pot5,
pro5,
rep5,
rip5,
tip5,
top5,
ire3,
ore3,
ort3,
rei3,
ret3,
roe3,
rot3,
tie3,
toe3,
tor3,
2 letter words:
ef5,
fe5,
if5,
of5,
op4,
pe4,
pi4,
er2,
et2,
it2,
oe2,
oi2,
or2,
re2,
ti2,
to2,