4 letter words:
pork10,
turk8,
port6,
pour6,
pout6,
purr6,
roup6,
trop6,
rout4,
torr4,
tour4,
3 letter words:
kop9,
kor7,
opt5,
pot5,
pro5,
pur5,
put5,
top5,
tup5,
upo5,
urp5,
ort3,
our3,
out3,
rot3,
rut3,
tor3,
2 letter words:
op4,
up4,
or2,
to2,
ut2,