6 letter words:
poiser8,
posier8,
5 letter words:
epris7,
peris7,
piers7,
poise7,
pores7,
poser7,
pries7,
prise7,
prose7,
repos7,
ripes7,
ropes7,
speir7,
spier7,
spire7,
spore7,
osier5,
4 letter words:
epos6,
opes6,
peri6,
peso6,
pier6,
pies6,
pirs6,
pise6,
piso6,
pois6,
pore6,
pose6,
pros6,
repo6,
reps6,
ripe6,
rips6,
risp6,
rope6,
sipe6,
spie6,
eros4,
ires4,
ores4,
reis4,
reos4,
rise4,
roes4,
rose4,
seir4,
sire4,
sore4,
sori4,
3 letter words:
ope5,
ops5,
per5,
pes5,
pie5,
pir5,
pis5,
poi5,
pos5,
pre5,
pro5,
psi5,
rep5,
rip5,
sip5,
sop5,
ers3,
ios3,
ire3,
iso3,
oes3,
ore3,
ors3,
ose3,
rei3,
reo3,
res3,
roe3,
sei3,
ser3,
sir3,
sri3,
2 letter words:
op4,
pe4,
pi4,
po4,
er2,
es2,
io2,
is2,
oe2,
oi2,
or2,
os2,
re2,
si2,
so2,