#dinucleotide	frequency
AA	1746	0.102651537421
AC	451	0.0265153742137
AG	831	0.0488564877418
AR	1	5.87924040214e-05
AT	1598	0.0939502616262
AY	1	5.87924040214e-05
CA	546	0.0321006525957
CC	312	0.0183432300547
CG	292	0.0171673819742
CR	2	0.000117584808043
CT	802	0.0471515080252
GA	833	0.0489740725498
GC	465	0.02733846787
GG	901	0.0529719560233
GR	2	0.000117584808043
GT	994	0.0584396495973
GY	2	0.000117584808043
RC	1	5.87924040214e-05
RG	1	5.87924040214e-05
RT	3	0.000176377212064
TA	1503	0.0883649832442
TC	724	0.0425657005115
TG	1170	0.068787112705
TT	3817	0.22441060615
TY	4	0.000235169616086
YC	1	5.87924040214e-05
YG	2	0.000117584808043
YT	4	0.000235169616086