#dinucleotide	frequency
AA	2278	0.15112113573
AC	727	0.0482287382248
AG	653	0.0433196231923
AT	1972	0.130821281677
CA	717	0.0475653443014
CC	550	0.0364866657821
CG	133	0.00882313918005
CT	896	0.0594400955287
GA	569	0.0377471142364
GC	306	0.0202998540533
GG	300	0.0199018176993
GT	436	0.0289239750564
TA	2065	0.136990845164
TC	713	0.0472999867321
TG	525	0.0348281809739
TT	2234	0.148202202468