#dinucleotide	frequency
AA	1537	0.0915098833055
AC	1272	0.0757323172184
AG	875	0.0520957370803
AT	1200	0.0714455822815
CA	1235	0.0735294117647
CC	1502	0.0894260538223
CG	472	0.0281019290307
CT	1430	0.0851393188854
GA	756	0.0450107168373
GC	773	0.0460228625863
GG	589	0.0350678733032
GT	548	0.0326268159085
TA	1356	0.0807335079781
TC	1092	0.0650154798762
TG	729	0.043403191236
TT	1430	0.0851393188854