thresh P-value %words %seq Nwords Nseq total_words total_seq 7.4934 5.0e-05 23.0% 23.4% 14 15 61 64 7.3771 0.0001 27.9% 28.1% 17 18 61 64 5.8162 0.0005 57.4% 54.7% 35 35 61 64 5.1274 0.001 65.6% 62.5% 40 40 61 64