2 ACGU ? ? 3 CGCG 0.27 0.1 4 GGCC 2.52 0.8 5 GAUC 8.53 2.6 6 AAUU 10.49 1.0 7 ACGU 10.60 1.1 8 CCGG 10.71 1.0 9 CGCG 10.74 1.1 10 GGCC 10.75 1.1 11 GUAC 10.74 1.1 12 UUAA 10.67 1.1 13 UCGA 10.60 1.1 14 CCGG 8.17 3.0 15 CGCG 2.71 1.0 16 GUAC ? ?