5 letter words:
boxes14,
sexto12,
besot7,
4 letter words:
oxes11,
sext11,
best6,
bets6,
bots6,
obes6,
stob6,
toes4,
3 letter words:
box12,
sex10,
sox10,
bes5,
bet5,
bos5,
bot5,
obe5,
sob5,
oes3,
ose3,
set3,
sot3,
toe3,
2 letter words:
ex9,
ox9,
be4,
bo4,
es2,
et2,
oe2,
os2,
so2,
to2,