7 letter words:
outwork14,
workout14,
6 letter words:
outrow9,
5 letter words:
kotow12,
wroot8,
outro5,
4 letter words:
work11,
koro8,
koru8,
koto8,
rook8,
toko8,
took8,
touk8,
turk8,
rowt7,
trow7,
woot7,
wort7,
root4,
roto4,
rout4,
toro4,
tour4,
3 letter words:
kow10,
wok10,
kor7,
ouk7,
rok7,
owt6,
row6,
tow6,
two6,
woo6,
wot6,
oor3,
oot3,
ort3,
our3,
out3,
roo3,
rot3,
rut3,
too3,
tor3,
2 letter words:
ko6,
ow5,
wo5,
oo2,
or2,
ou2,
to2,
ur2,
ut2,
