9 letter words:
potatobug14,
7 letter words:
tugboat10,
6 letter words:
potato8,
tautog7,
5 letter words:
about7,
battu7,
potto7,
putto7,
taboo7,
gutta6,
outgo6,
4 letter words:
gobo7,
goop7,
abut6,
atop6,
batt6,
boat6,
boot6,
bota6,
bott6,
bout6,
butt6,
pout6,
putt6,
tabu6,
topo6,
tuba6,
goat5,
gout5,
toga5,
auto4,
otto4,
taut4,
toot4,
tout4,
3 letter words:
bap7,
bop7,
pub7,
bag6,
bog6,
bug6,
gab6,
gap6,
gob6,
pug6,
abo5,
apo5,
apt5,
bat5,
boa5,
boo5,
bot5,
but5,
oba5,
opt5,
pat5,
poo5,
pot5,
put5,
tab5,
tap5,
top5,
tub5,
tup5,
upo5,
ago4,
gat4,
goa4,
goo4,
got4,
gut4,
tag4,
tog4,
tug4,
att3,
oat3,
oot3,
out3,
tao3,
tat3,
tau3,
too3,
tot3,
tut3,
uta3,
2 letter words:
ab4,
ba4,
bo4,
op4,
pa4,
up4,
ag3,
go3,
at2,
ta2,
to2,
ut2,