Develop melodies by incorporating the given motif and following the suggested musical layout.
X:1
L:1/8
M:2/4
K:Bb
['c2 dc BG F2 d2 ed cd']  
X:1
L:1/8
M:2/4
K:Bb
 c2 dc | BG F2 | d2 ed | cd c2 | F2 GF | Fe d2 | c2 GA | B2 z2 |]  