Beginning sound

odd

 

on

 

honest

 

honor

 

onto

 

option

 

obvious

 

operate

 

oxygen

 

opposition

 

Middle Sound

box

 

drop

 

lot

 

not/knot

 

body

 

college

 

follow

 

problem

 

possible

 

economy

 

End Sound

In English pronunciation, /ɑ/ does not occur at the end of the word!