thresh P-value %words %seq Nwords Nseq total_words total_seq 8.6005 1.0e-05 18.2% 16.0% 4 4 22 25 7.6163 5.0e-05 54.5% 48.0% 12 12 22 25 7.062 0.0001 54.5% 48.0% 12 12 22 25 5.6724 0.0005 68.2% 60.0% 15 15 22 25 4.9518 0.001 86.4% 76.0% 19 19 22 25