thresh P-value %words %seq Nwords Nseq total_words total_seq 8.0887 1.0e-05 4.2% 3.8% 2 2 48 53 7.3889 5.0e-05 18.8% 17.0% 9 9 48 53 6.948 0.0001 27.1% 24.5% 13 13 48 53 5.7 0.0005 45.8% 41.5% 22 22 48 53 5.0788 0.001 60.4% 54.7% 29 29 48 53