#dinucleotide	frequency
AA	1686	0.102905273438
AC	1376	0.083984375
AG	800	0.048828125
AT	1365	0.0833129882812
CA	1365	0.0833129882812
CC	1313	0.0801391601562
CG	367	0.0223999023438
CT	1382	0.0843505859375
GA	640	0.0390625
GC	620	0.037841796875
GG	491	0.0299682617188
GT	507	0.0309448242188
TA	1536	0.09375
TC	1119	0.0682983398438
TG	599	0.0365600585938
TT	1218	0.0743408203125