thresh P-value %words %seq Nwords Nseq total_words total_seq 8.7595 1.0e-05 13.9% 13.9% 5 5 36 36 7.7599 5.0e-05 44.4% 44.4% 16 16 36 36 7.3426 0.0001 61.1% 61.1% 22 22 36 36 5.7177 0.0005 91.7% 91.7% 33 33 36 36 4.9106 0.001 94.4% 94.4% 34 34 36 36