#dinucleotide	frequency
AA	1673	0.0969124717604
AC	1602	0.0927996292649
AG	846	0.0490065457916
AN	1	5.79273590917e-05
AT	1224	0.0709030875282
CA	1607	0.0930892660604
CC	1868	0.108208306783
CG	465	0.0269362219776
CT	1565	0.0906563169785
GA	694	0.0402015872096
GC	751	0.0435034466779
GG	436	0.025256328564
GT	400	0.0231709436367
NG	1	5.79273590917e-05
TA	1372	0.0794763366738
TC	1285	0.0744366564328
TG	532	0.0308173550368
TT	941	0.0545096449053