6 letter words:
embrue10,
burgee9,
burger9,
merger9,
5 letter words:
begum10,
berme9,
brume9,
ember9,
umber9,
grebe8,
grume8,
merge8,
merer7,
murre7,
urger6,
4 letter words:
berm8,
berg7,
burg7,
germ7,
geum7,
grub7,
grum7,
beer6,
bree6,
burr6,
emeu6,
mere6,
mure6,
murr6,
rube6,
eger5,
gree5,
grue5,
urge5,
ruer4,
3 letter words:
bum7,
beg6,
bug6,
gem6,
gum6,
meg6,
mug6,
bee5,
brr5,
bur5,
eme5,
emu5,
reb5,
rem5,
rub5,
rum5,
urb5,
erg4,
gee4,
reg4,
rug4,
ere3,
err3,
ree3,
rue3,
2 letter words:
be4,
em4,
me4,
mu4,
um4,
er2,
re2,