thresh P-value %words %seq Nwords Nseq total_words total_seq 8.4578 1.0e-05 8.7% 8.7% 2 2 23 23 7.5044 5.0e-05 30.4% 30.4% 7 7 23 23 7.0397 0.0001 43.5% 43.5% 10 10 23 23 5.6836 0.0005 78.3% 78.3% 18 18 23 23 4.9766 0.001 87.0% 87.0% 20 20 23 23