Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/16
M:3/4
K:Amin
['e2eB c2cA B2B^G', 'e2eB c2cA B2B^G', '', 'B2B^G E2E^G AGAB cBcd e2eB c2cA B2B^G']  
X:1
L:1/16
M:3/4
K:Amin
 e2eB c2cA B2B^G | E2E^G A2AB cBcd | e2eB c2cA B2B^G | E^GBG B2A2 A2 z2 :: ABcd e2e2 c4 | 
 c2e2 f2ef d4 | dBGB dBGB dBGB | cBcd e2e2 e2e2 | e2eB c2cA B2B^G | E2E^G A2AB cBcd | 
 e2eB c2cA B2B^G | E^GBG B2A2 A2 z2 :|"^variation" |: e2eB c2cA B2B^G | E2E^G AGAB cBcd | 
 e2eB c2cA B2B^G | E^GBG G2A2 A4 :|  