7 letter words:
robotry12,
6 letter words:
borrow11,
5 letter words:
worry11,
booty10,
borty10,
rooty8,
robot7,
rotor5,
4 letter words:
towy10,
boyo9,
brow9,
orby9,
toby9,
ryot7,
tory7,
toyo7,
trow7,
troy7,
tyro7,
wort7,
boor6,
boot6,
bort6,
broo6,
root4,
roto4,
toro4,
torr4,
3 letter words:
wry9,
yow9,
bow8,
boy8,
yob8,
row6,
tow6,
toy6,
try6,
two6,
woo6,
wot6,
boo5,
bot5,
bro5,
brr5,
orb5,
rob5,
oot3,
ort3,
rot3,
too3,
tor3,
2 letter words:
by7,
ow5,
oy5,
wo5,
yo5,
bo4,
or2,
to2,