Compose melodies using the given motif and follow the designated arrangement.
X:1
L:1/8
M:2/4
K:D
['f2 fg', 'cB Ac ef'  
X:1
L:1/8
M:2/4
K:D
|: f2 fg | ed c/B/A | f2 fg | ec d2 | f2 fg | ed cB | Ac ef |1 ge de :|2 ge d2 |: ed c/B/A | 
 ed cB | Ac ef | ge d2 | ed c/B/A | ed cB | Ac ef |1 ge d2 :|2 ge de ||  