5 letter words:
robot7,
4 letter words:
frow10,
woof10,
brow9,
forb9,
foot7,
fort7,
roof7,
trow7,
wort7,
boor6,
boot6,
bort6,
broo6,
root4,
roto4,
toro4,
3 letter words:
bow8,
fob8,
for6,
fro6,
oft6,
row6,
tow6,
two6,
woo6,
wot6,
boo5,
bot5,
bro5,
orb5,
rob5,
oot3,
ort3,
rot3,
too3,
tor3,
2 letter words:
of5,
ow5,
wo5,
bo4,
or2,
to2,