7 letter words:
topwork16,
5 letter words:
kotow12,
troop7,
4 letter words:
work11,
pork10,
prow9,
koto8,
rook8,
took8,
trow7,
wort7,
poor6,
port6,
topo6,
trop6,
root4,
roto4,
toro4,
3 letter words:
wok10,
kop9,
pow8,
wop8,
kor7,
row6,
tow6,
two6,
woo6,
wot6,
opt5,
poo5,
pot5,
pro5,
top5,
oot3,
ort3,
rot3,
too3,
tor3,
2 letter words:
ow5,
wo5,
op4,
or2,
to2,
