#dinucleotide	frequency
AA	1884	0.115604098914
AC	1351	0.082898693011
AG	799	0.049027428361
AT	1556	0.0954776952813
CA	1458	0.0894643185862
CC	1298	0.0796465607167
CG	323	0.0198195986991
CT	1243	0.076271706449
GA	690	0.0423390808124
GC	525	0.0322145180094
GG	389	0.0238694238203
GT	404	0.0247898386206
TA	1559	0.0956617782414
TC	1148	0.070442412714
TG	496	0.0304350493956
TT	1174	0.0720377983678