#dinucleotide	frequency
AA	2396	0.162121929765
AC	559	0.0378239393734
AG	541	0.0366059949929
AT	1947	0.131740983828
CA	710	0.0480411394546
CC	443	0.0299749644766
CG	142	0.00960822789093
CT	769	0.0520332904797
GA	546	0.0369443128764
GC	247	0.0167129034441
GG	267	0.018066174978
GT	428	0.0289600108262
NA	1	6.76635766967e-05
TA	1790	0.121117802287
TC	815	0.0551458150078
TG	538	0.0364030042628
TN	1	6.76635766967e-05
TT	2639	0.178564178902