7 letter words:
orifice12,
6 letter words:
copier10,
5 letter words:
force10,
coper9,
cripe9,
price9,
icier7,
4 letter words:
coif9,
corf9,
fice9,
fico9,
foci9,
prof9,
cope8,
crop8,
epic8,
pice8,
fire7,
fore7,
froe7,
reif7,
rife7,
cero6,
cire6,
coir6,
core6,
peri6,
pier6,
pore6,
repo6,
rice6,
ripe6,
rope6,
3 letter words:
fop8,
cep7,
cop7,
pec7,
pic7,
fer6,
fie6,
fir6,
foe6,
for6,
fro6,
ref6,
rif6,
cor5,
ice5,
ope5,
orc5,
per5,
pie5,
poi5,
pro5,
rec5,
rep5,
rip5,
roc5,
ire3,
ore3,
rei3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
op4,
pe4,
pi4,
er2,
oe2,
oi2,
or2,
re2,