thresh P-value %words %seq Nwords Nseq total_words total_seq 8.7161 1.0e-05 15.5% 11.9% 15 15 97 126 7.7432 5.0e-05 25.8% 19.8% 25 25 97 126 7.2228 0.0001 36.1% 27.8% 35 35 97 126 5.7332 0.0005 63.9% 49.2% 62 62 97 126 4.9754 0.001 77.3% 59.5% 75 75 97 126