#dinucleotide	frequency
AA	1668	0.0768876186964
AC	622	0.0286715220798
AG	1518	0.0699732644971
AT	1402	0.0646261639163
CA	635	0.0292707661104
CC	650	0.0299622015304
CG	532	0.0245229095602
CT	1143	0.0526873789988
GA	1124	0.0518115608002
GC	774	0.0356780676685
GG	2229	0.102747303402
GT	1841	0.084862173873
TA	1783	0.0821886235826
TC	914	0.0421314649212
TG	1689	0.0778556282843
TT	3170	0.146123352079