Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:2/2
K:A
['F EFAB c2 cf ecBA F/F/F AF', 'A3 c efec eAAc efec BABc efec', 'c2 cB', 'A3 c efec eAAc efec BABc efec']  
X:1
L:1/8
M:2/2
K:A
 F | EFAB c2 cf | ecBA F/F/F AF | EFAB cBcf | ecBc A3 :| c | efec eAAc | efec BABc | efec efaf | 
 ecBc A3 :| F | EFAB c2 cB | c2 cB ce f2 | EFAB cBcf | ecBc A3 :| c | efec eAAc | efec BABc | 
 efec efaf | ecBc A3 :|  