thresh P-value %words %seq Nwords Nseq total_words total_seq 8.7164 1.0e-05 5.3% 4.0% 1 1 19 25 7.7834 5.0e-05 26.3% 20.0% 5 5 19 25 7.2761 0.0001 52.6% 40.0% 10 10 19 25 5.7945 0.0005 89.5% 68.0% 17 17 19 25 5.0764 0.001 94.7% 72.0% 18 18 19 25