#dinucleotide	frequency
AA	2620	0.180254557964
AC	550	0.0378396972824
AG	476	0.0327485380117
AN	1	6.87994496044e-05
AT	2378	0.163605091159
CA	659	0.0453388372893
CC	371	0.0255245958032
CG	87	0.00598555211558
CT	585	0.0402476780186
GA	541	0.037220502236
GC	178	0.0122463020296
GG	198	0.0136222910217
GT	233	0.0160302717578
NA	1	6.87994496044e-05
TA	2204	0.151633986928
TC	603	0.0414860681115
TG	389	0.0267629858961
TT	2461	0.169315445476