thresh P-value %words %seq Nwords Nseq total_words total_seq 9.467 1.0e-05 16.0% 16.0% 4 4 25 25 8.4816 5.0e-05 32.0% 32.0% 8 8 25 25 7.9796 0.0001 44.0% 44.0% 11 11 25 25 6.5806 0.0005 76.0% 76.0% 19 19 25 25 5.8786 0.001 84.0% 84.0% 21 21 25 25