5 letter words:
kombu13,
outby10,
4 letter words:
buoy9,
toby9,
tomb8,
umbo8,
bout6,
3 letter words:
yok10,
yuk10,
kob9,
boy8,
buy8,
yob8,
yom8,
yum8,
bum7,
mob7,
toy6,
you6,
bot5,
but5,
mot5,
mut5,
tom5,
tub5,
out3,
2 letter words:
by7,
my7,
oy5,
yo5,
bo4,
mo4,
mu4,
om4,
um4,
to2,
ut2,