#dinucleotide	frequency
AA	1789	0.106869772999
AC	1457	0.087037037037
AG	855	0.0510752688172
AT	1491	0.0890681003584
AY	1	5.97371565114e-05
CA	1523	0.0909796893668
CC	1294	0.0772998805257
CG	471	0.0281362007168
CT	1222	0.0729988052569
GA	723	0.0431899641577
GC	692	0.0413381123059
GG	487	0.029091995221
GT	500	0.0298685782557
TA	1559	0.0931302270012
TC	1066	0.0636798088411
TG	588	0.0351254480287
TT	1021	0.0609916367981
YC	1	5.97371565114e-05