9 letter words:
postboxes20,
7 letter words:
postbox18,
sexpots16,
bespots11,
stoopes9,
6 letter words:
sexpot15,
sextos13,
bespot10,
besots8,
betoss8,
booses8,
boosts8,
bosset8,
estops8,
pestos8,
posset8,
ptoses8,
spoots8,
stoeps8,
stoope8,
stoops8,
stopes8,
sootes6,
5 letter words:
boxes14,
expos14,
poxes14,
sexto12,
sexts12,
boeps9,
besot7,
bests7,
boets7,
boose7,
boost7,
boots7,
estop7,
oboes7,
pesos7,
pesto7,
pests7,
poets7,
poots7,
poses7,
posse7,
posts7,
potes7,
septs7,
soops7,
speos7,
spets7,
spoot7,
spots7,
steps7,
stobs7,
stoep7,
stoop7,
stope7,
stops7,
topes7,
topos7,
ooses5,
soote5,
soots5,
toses5,
4 letter words:
expo13,
oxes11,
sext11,
boep8,
bops8,
best6,
bets6,
boet6,
boos6,
boot6,
boss6,
bots6,
epos6,
obes6,
oboe6,
obos6,
oops6,
opes6,
opts6,
peso6,
pest6,
pets6,
poet6,
poos6,
poot6,
pose6,
poss6,
post6,
pote6,
pots6,
psst6,
seps6,
sept6,
sobs6,
soop6,
sops6,
spet6,
spot6,
step6,
stob6,
stop6,
tope6,
topo6,
tops6,
ests4,
oose4,
oots4,
oses4,
sets4,
soot4,
sots4,
toes4,
tose4,
toss4,
3 letter words:
box12,
pox12,
exo10,
oxo10,
sex10,
sox10,
tex10,
bop7,
bes5,
bet5,
boo5,
bos5,
bot5,
obe5,
obo5,
obs5,
oop5,
ope5,
ops5,
opt5,
pes5,
pet5,
poo5,
pos5,
pot5,
pst5,
sob5,
sop5,
top5,
ess3,
est3,
oes3,
oos3,
oot3,
ose3,
set3,
sos3,
sot3,
tes3,
toe3,
too3,
2 letter words:
ex9,
ox9,
be4,
bo4,
ob4,
op4,
pe4,
po4,
es2,
et2,
oe2,
oo2,
os2,
so2,
st2,
te2,
to2,