thresh P-value %words %seq Nwords Nseq total_words total_seq 7.9191 1.0e-05 17.6% 17.6% 3 3 17 17 7.2433 5.0e-05 29.4% 29.4% 5 5 17 17 6.8003 0.0001 35.3% 35.3% 6 6 17 17 5.4997 0.0005 76.5% 76.5% 13 13 17 17 4.8814 0.001 82.4% 82.4% 14 14 17 17