thresh P-value %words %seq Nwords Nseq total_words total_seq 8.1867 1.0e-05 15.2% 15.4% 10 10 66 65 7.4997 5.0e-05 28.8% 29.2% 19 19 66 65 6.9901 0.0001 31.8% 32.3% 21 21 66 65 5.7622 0.0005 51.5% 52.3% 34 34 66 65 5.0769 0.001 56.1% 56.9% 37 37 66 65