6 letter words:
binger9,
burnie8,
5 letter words:
begin8,
begun8,
being8,
binge8,
bring8,
brung8,
giber8,
biner7,
brine7,
bruin7,
burin7,
genii6,
iring6,
reign6,
renig6,
ruing6,
unrig6,
inure5,
urine5,
4 letter words:
berg7,
brig7,
bung7,
burg7,
gibe7,
grub7,
bier6,
bine6,
bren6,
brie6,
brin6,
burn6,
rube6,
unbe6,
genu5,
gien5,
girn5,
grin5,
grue5,
guru5,
ring5,
rung5,
urge5,
rein4,
ruin4,
rune4,
3 letter words:
beg6,
big6,
bug6,
gib6,
ben5,
bin5,
bun5,
bur5,
neb5,
nib5,
nub5,
reb5,
rib5,
rub5,
urb5,
eng4,
erg4,
gen4,
gie4,
gin4,
gnu4,
gun4,
neg4,
reg4,
rig4,
rug4,
ern3,
ire3,
rei3,
rin3,
rue3,
run3,
urn3,
2 letter words:
be4,
bi4,
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,