7 letter words:
cashbox21,
5 letter words:
chaos10,
4 letter words:
hoax14,
coax13,
coxa13,
bach11,
bash9,
bosh9,
cash9,
chao9,
cosh9,
hobs9,
cabs8,
cobs8,
scab8,
abos6,
boas6,
obas6,
ocas6,
soba6,
soca6,
3 letter words:
box12,
cox12,
sax10,
sox10,
bah8,
hob8,
cab7,
cob7,
ahs6,
ash6,
hao6,
has6,
hos6,
ohs6,
sha6,
abo5,
abs5,
bas5,
boa5,
bos5,
cos5,
oba5,
oca5,
sab5,
sac5,
sob5,
2 letter words:
ax9,
ox9,
ah5,
ha5,
ho5,
oh5,
sh5,
ab4,
ba4,
bo4,
as2,
os2,
so2,