K-mer                P-value<=  N      B     n     b     Enrichment
uguacaU              1.89E-09   10000  53    731   21    5.42      
guacaUA              3.50E-08   10000  33    690   15    6.59      
uauauaa              3.25E-07   10000  106   1459  40    2.59