6 letter words:
boosts8,
5 letter words:
boost7,
boots7,
stobs7,
soots5,
4 letter words:
boos6,
boot6,
boss6,
bots6,
obos6,
sobs6,
stob6,
oots4,
soot4,
sots4,
toss4,
3 letter words:
boo5,
bos5,
bot5,
obo5,
obs5,
sob5,
oos3,
oot3,
sos3,
sot3,
too3,
2 letter words:
bo4,
ob4,
oo2,
os2,
so2,
st2,
to2,
