Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:Amin
['A2 AB (3(cde)', 'e ae (3(cde) a2 ea gaeg BGGe', 'e ae (3(cde) a2 ea gaeg BGGB']  
X:1
L:1/8
M:4/4
K:Amin
 E | A2 AB (3(cde) dc |{c} BGdG BGGB | A2 AB (3(cde) de | dBgB A/A/A A :| e | ae (3(cde) a2 ea | 
 gaeg BGGe | a2 ba gade | dBgB A/A/A A || e | ae (3(cde) a2 ea | gaeg BGGB | cAdB ecde | 
 dBgB A/A/AA ||  