thresh P-value %words %seq Nwords Nseq total_words total_seq 6.9321 0.0001 10.6% 8.0% 7 7 66 88 6.1749 0.0005 53.0% 39.8% 35 35 66 88 5.3378 0.001 84.8% 63.6% 56 56 66 88