thresh P-value %words %seq Nwords Nseq total_words total_seq 8.67 1.0e-05 5.3% 4.0% 1 1 19 25 7.6576 5.0e-05 31.6% 24.0% 6 6 19 25 7.1337 0.0001 52.6% 40.0% 10 10 19 25 5.6746 0.0005 78.9% 60.0% 15 15 19 25 4.9687 0.001 94.7% 72.0% 18 18 19 25