thresh P-value %words %seq Nwords Nseq total_words total_seq 7.1282 5.0e-05 19.1% 19.1% 9 9 47 47 6.9891 0.0001 21.3% 21.3% 10 10 47 47 5.7357 0.0005 55.3% 59.6% 26 28 47 47 5.0409 0.001 59.6% 63.8% 28 30 47 47