thresh P-value %words %seq Nwords Nseq total_words total_seq 8.0474 1.0e-05 2.8% 2.1% 2 2 72 96 7.5336 5.0e-05 16.7% 12.5% 12 12 72 96 7.1653 0.0001 26.4% 19.8% 19 19 72 96 5.9488 0.0005 50.0% 37.5% 36 36 72 96 5.2494 0.001 61.1% 45.8% 44 44 72 96