6 letter words:
prebuy13,
5 letter words:
upbye12,
rugby11,
buyer10,
rebuy10,
purge8,
4 letter words:
prez15,
zebu15,
upby11,
gybe10,
bury9,
byre9,
prey9,
pyre9,
ruby9,
burp8,
grey8,
gyre8,
berg7,
burg7,
grub7,
pure6,
rube6,
grue5,
urge5,
3 letter words:
zep14,
gyp9,
bey8,
buy8,
bye8,
pry8,
pye8,
yep8,
yup8,
gey7,
guy7,
pub7,
beg6,
bug6,
peg6,
pug6,
rye6,
bur5,
per5,
pur5,
reb5,
rep5,
rub5,
urb5,
urp5,
erg4,
reg4,
rug4,
rue3,
2 letter words:
by7,
ye5,
be4,
pe4,
up4,
er2,
re2,