#dinucleotide	frequency
AA	1795	0.109738949685
AC	1163	0.0711010576512
AG	849	0.0519043834444
AT	1661	0.101546738399
AY	1	6.11359051171e-05
CA	1231	0.0752582991991
CC	1059	0.064742923519
CG	301	0.0184019074402
CT	1209	0.0739133092865
GA	670	0.0409610564284
GC	587	0.0358867763037
GG	421	0.0257382160543
GT	498	0.0304456807483
GY	1	6.11359051171e-05
RG	1	6.11359051171e-05
TA	1772	0.108332823867
TC	991	0.060585681971
TG	604	0.0369260866907
TR	1	6.11359051171e-05
TT	1540	0.0941492938803
YA	2	0.000122271810234