thresh P-value %words %seq Nwords Nseq total_words total_seq 8.8919 1.0e-05 19.2% 17.2% 5 5 26 29 7.7818 5.0e-05 57.7% 51.7% 15 15 26 29 7.1662 0.0001 69.2% 62.1% 18 18 26 29 5.6501 0.0005 80.8% 72.4% 21 21 26 29 4.897 0.001 92.3% 82.8% 24 24 26 29