Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:6/8
K:Amin
['EAc BcA edB', 'EAc deg']  
X:1
L:1/8
M:6/8
K:Amin
|: EAc BcA | edB ABG | EAc BcA | edB A3 | EAc BcA | edB ABG | A3 c2 e | dBG A3 :: EAc deg | 
 age dBG | EAc deg | eag a3 | EAc deg | age dBG | A3 c2 e | dBG A2 G :|  