thresh P-value %words %seq Nwords Nseq total_words total_seq 7.2075 0.0001 10.6% 8.0% 7 7 66 88 6.0851 0.0005 53.0% 39.8% 35 35 66 88 5.3931 0.001 83.3% 62.5% 55 55 66 88