7 letter words:
obtests9,
6 letter words:
besots8,
obtest8,
5 letter words:
besot7,
bests7,
botts7,
stobs7,
setts5,
stets5,
stots5,
tests5,
totes5,
4 letter words:
best6,
bets6,
boss6,
bots6,
bott6,
obes6,
sobs6,
stob6,
oses4,
sets4,
sett4,
sots4,
stet4,
stot4,
test4,
tets4,
toes4,
toss4,
tost4,
tote4,
tots4,
3 letter words:
bes5,
bet5,
bos5,
bot5,
obe5,
sob5,
ess3,
oes3,
ose3,
set3,
sos3,
sot3,
tet3,
toe3,
tot3,
2 letter words:
be4,
bo4,
es2,
et2,
oe2,
os2,
so2,
to2,
