#dinucleotide	frequency
AA	2554	0.157207928105
AC	682	0.0419795642004
AG	585	0.0360088637203
AT	2530	0.155730641389
CA	762	0.0469038532562
CC	436	0.0268373753539
CG	114	0.00701711190447
CT	798	0.0491197833313
GA	603	0.0371168287578
GC	259	0.015942385818
GG	251	0.0154499569125
GT	362	0.0222824079773
TA	2431	0.149636833682
TC	733	0.0451187984735
TG	525	0.0323156469285
TT	2621	0.16133202019