5 letter words:
bitty10,
botty10,
butty10,
outby10,
bitou7,
oubit7,
4 letter words:
buoy9,
toby9,
bito6,
bitt6,
bott6,
bout6,
butt6,
obit6,
toit4,
tout4,
3 letter words:
boy8,
buy8,
yob8,
toy6,
you6,
bio5,
bit5,
boi5,
bot5,
but5,
obi5,
tub5,
out3,
tit3,
tot3,
tui3,
tut3,
2 letter words:
by7,
oy5,
yo5,
yu5,
bi4,
bo4,
ob4,
io2,
it2,
oi2,
ou2,
ti2,
to2,
ut2,