thresh P-value %words %seq Nwords Nseq total_words total_seq 9.088 1.0e-05 48.1% 48.1% 13 13 27 27 7.7338 5.0e-05 48.1% 48.1% 13 13 27 27 7.0914 0.0001 55.6% 55.6% 15 15 27 27 5.4341 0.0005 59.3% 59.3% 16 16 27 27 4.6366 0.001 74.1% 74.1% 20 20 27 27