Construct musical melodies following the designated letter arrangement and the given motif.
X:1
L:1/8
M:2/2
K:D
['DFAd f2 ff egec dBAG FAFA GBGB', 'Acef gfge defg']  
X:1
L:1/8
M:2/2
K:D
 DFAd f2 ff | egec dBAG | FAFA GBGB | FAFA E2 FE | DFAd f2 ff | egec dBAG | FAFA GBGB | Acec d4 :: 
 Acef gfge | defg a2 a2 | Acef gfgb | afge fdfd | Acef gfge | defg afge | fdec dBAG | FABc d4 :|  