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
['EAB (cBA)', 'G3 F3 EGc ecG DGB dcB']  
X:1
L:1/8
M:6/8
K:Amin
 EAB (cBA) | EAB (cBA) | BGE BGE | efe (dcA) | EAB (cBA) | EAB (cBA) | efe e2 (d | c)AA A3 :| 
 G3 F3 | EGc ecG | DGB dcB | ced cBA | G3 F3 | EGc ecG | DGB dcB | cee c3 :|  