5 letter words:
begin8,
being8,
binge8,
genii6,
4 letter words:
bing7,
gibe7,
bein6,
beni6,
bien6,
bine6,
gien5,
3 letter words:
beg6,
big6,
gib6,
ben5,
bin5,
neb5,
nib5,
eng4,
gen4,
gie4,
gin4,
neg4,
nie3,
2 letter words:
be4,
bi4,
gi3,
en2,
in2,
ne2,