Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:A
['F2 EF A2', '', 'e2 ec']  
X:1
L:1/8
M:4/4
K:A
 A>B | c2 cB c2 c2 | ecBA F2 EF | A2 AF A2 AB | c2 e2 e2 f2 | ceec e2 c2 | BcBA F2 EF | 
 A2 AB c2 ec | B/c/B A2 A2 :| z2 |: e2 ec e2 cB | ABcB ABce | f2 fa f2 af | e2 ec B/c/B AB | 
 ceec e2 c2 | BcBA F2 EF | A2 AB c2 ec | B/c/B A2 A4 :|  