5 letter words:
biota7,
oobit7,
taboo7,
4 letter words:
bait6,
bito6,
boat6,
boot6,
bota6,
obia6,
obit6,
tabi6,
iota4,
3 letter words:
abo5,
bat5,
bio5,
bit5,
boa5,
boi5,
boo5,
bot5,
oba5,
obi5,
obo5,
tab5,
ait3,
ita3,
oat3,
oot3,
tai3,
tao3,
too3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
ob4,
ai2,
at2,
io2,
it2,
oi2,
oo2,
ta2,
ti2,
to2,