thresh P-value %words %seq Nwords Nseq total_words total_seq 8.5305 1.0e-05 3.0% 2.8% 1 1 33 36 7.6797 5.0e-05 6.1% 5.6% 2 2 33 36 7.3585 0.0001 12.1% 11.1% 4 4 33 36 6.2166 0.0005 30.3% 27.8% 10 10 33 36 5.6684 0.001 45.5% 41.7% 15 15 33 36