Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
M:3/8
K:F
['A>BA G>AG F2 z GGG A>Ac c2']  
X:1
L:1/8
M:3/8
K:F
 A>BA | G>AG | F2 z | GGG | A>Ac | c2 B | G2 z | AA=B | ccd | e2 d | c2 z | fcA | cBG | F2 z |]  