#dinucleotide	frequency
AA	2144	0.121047877145
AC	1567	0.0884710930443
AG	787	0.0444331526649
AT	1597	0.0901648599819
CA	1536	0.0867208672087
CC	1427	0.0805668473351
CG	397	0.0224141824752
CT	1399	0.0789859981933
CY	1	5.64588979223e-05
GA	658	0.0371499548329
GC	655	0.0369805781391
GG	431	0.0243337850045
GR	1	5.64588979223e-05
GT	421	0.0237691960253
RC	1	5.64588979223e-05
TA	1757	0.0991982836495
TC	1110	0.0626693766938
TG	549	0.0309959349593
TT	1273	0.0718721770551
YG	1	5.64588979223e-05