5 letter words:
butyl10,
outby10,
boult7,
4 letter words:
buoy9,
toby9,
blot6,
bolt6,
bout6,
lout4,
tolu4,
3 letter words:
boy8,
buy8,
yob8,
loy6,
toy6,
you6,
bot5,
but5,
lob5,
tub5,
lot3,
lou3,
out3,
2 letter words:
by7,
oy5,
yo5,
yu5,
bo4,
ob4,
lo2,
ou2,
to2,
ut2,