_ o _
pop
_oa_
toad
_oa_
coat
_oa_
road
_ _ow
grow
_ _ow
blow
_oa_ _
toast
_ o _
pot
_ o _
cot
_ _ o _
stop
_ _ow
snow
_ o _
hop
_oa_
goat
_ o _
cob
_ o _
hot
oa_
oat