#dinucleotide	frequency
AA	2620	0.171454747726
AC	563	0.0368431385381
AG	472	0.030888030888
AT	2454	0.16059158432
CA	655	0.0428636869315
CC	419	0.0274196714875
CG	92	0.00602054839343
CT	726	0.0475099797134
GA	517	0.0338328643413
GC	186	0.0121719782737
GG	207	0.0135462338852
GT	274	0.0179307636935
TA	2317	0.151626202474
TC	724	0.0473790982266
TG	413	0.027027027027
TT	2642	0.172894444081