7 letter words:
prework16,
6 letter words:
rework13,
worker13,
porker12,
proker12,
prower11,
5 letter words:
wroke12,
poker11,
proke11,
power10,
powre10,
roker9,
rower8,
porer7,
prore7,
repro7,
roper7,
4 letter words:
woke11,
work11,
perk10,
poke10,
pork10,
prow9,
kero8,
kore8,
roke8,
ower7,
owre7,
wero7,
wore7,
pore6,
repo6,
rope6,
rore4,
3 letter words:
ewk10,
kow10,
wok10,
kep9,
kop9,
pew8,
pow8,
wop8,
erk7,
kor7,
oke7,
rok7,
owe6,
rew6,
row6,
woe6,
ope5,
per5,
pre5,
pro5,
rep5,
err3,
ore3,
reo3,
roe3,
2 letter words:
ko6,
ow5,
we5,
wo5,
op4,
pe4,
po4,
er2,
oe2,
or2,
re2,
