thresh P-value %words %seq Nwords Nseq total_words total_seq 8.1408 1.0e-05 12.5% 12.5% 2 2 16 16 7.2264 5.0e-05 18.8% 18.8% 3 3 16 16 6.7696 0.0001 25.0% 25.0% 4 4 16 16 5.5554 0.0005 68.8% 68.8% 11 11 16 16 4.9562 0.001 81.3% 81.3% 13 13 16 16