Beginning sound

are

 

arm

 

art

 

argue

 

architect

 

argument

 

article

 

arbitrary

 

artificial

 

Middle Sound

charge

 

dark

 

farm

 

guard

 

heart

 

alarm

 

garden

 

market

 

partner

 

department

 

End Sound

bar

 

far

 

star

 

bizarre

 

guitar