5 letter words:
bigot8,
4 letter words:
twig8,
biog7,
obit6,
3 letter words:
bow8,
bib7,
bob7,
wig7,
wog7,
big6,
bog6,
gib6,
gob6,
tow6,
two6,
wit6,
wot6,
bio5,
bit5,
bot5,
obi5,
git4,
got4,
tog4,
2 letter words:
ow5,
wo5,
bi4,
bo4,
go3,
it2,
oi2,
ti2,
to2,