ACGU 0.0371
CGCG 0.03657
GGCC 0.04207
GAUC 0.03298
AAUU 0.02649
ACGU 0.03629
CCGG 0.04431
CGCG 0.04051
GGCC 0.04484
GUAC 0.03741
UUAA 0.02753
UCGA 0.03213
CCGG 0.04243
CGCG 0.03369
GUAC 0.03599