6 letter words:
workup15,
kouroi10,
5 letter words:
iroko9,
opium9,
primo9,
promo9,
poori7,
4 letter words:
wimp11,
work11,
mirk10,
murk10,
pork10,
prow9,
worm9,
pomo8,
prim8,
prom8,
romp8,
rook8,
rump8,
moor6,
poor6,
pour6,
puri6,
room6,
roup6,
3 letter words:
wok10,
kip9,
kop9,
mow8,
pow8,
wop8,
imp7,
irk7,
kir7,
koi7,
kor7,
mop7,
pom7,
ump7,
row6,
woo6,
mir5,
moo5,
mor5,
piu5,
poi5,
poo5,
pro5,
pur5,
rim5,
rip5,
rom5,
rum5,
upo5,
urp5,
our3,
2 letter words:
ki6,
ow5,
wo5,
mi4,
mo4,
mu4,
om4,
op4,
pi4,
um4,
up4,
oi2,
or2,