6 letter words:
bonito8,
option8,
potion8,
5 letter words:
biont7,
oobit7,
pinot7,
pinto7,
piton7,
point7,
potin7,
potoo7,
topoi7,
nooit5,
4 letter words:
bint6,
bito6,
boon6,
boot6,
noop6,
obit6,
pint6,
pion6,
pont6,
poon6,
poot6,
topi6,
topo6,
into4,
oint4,
onto4,
oont4,
toon4,
3 letter words:
bop7,
bin5,
bio5,
bit5,
boi5,
bon5,
boo5,
bot5,
nib5,
nip5,
nob5,
obi5,
obo5,
oop5,
opt5,
pin5,
pit5,
poi5,
poo5,
pot5,
tip5,
top5,
ion3,
nit3,
noo3,
not3,
ono3,
oon3,
oot3,
tin3,
ton3,
too3,
2 letter words:
bi4,
bo4,
ob4,
op4,
pi4,
po4,
in2,
io2,
it2,
no2,
oi2,
on2,
oo2,
ti2,
to2,