#dinucleotide	frequency
AA	2636	0.170980086917
AC	740	0.0479989621846
AG	587	0.0380748524356
AT	2011	0.13044042291
CA	746	0.0483881429591
CC	619	0.0401504832328
CG	145	0.00940520204969
CT	990	0.0642148277875
GA	583	0.037815398586
GC	275	0.0178374521632
GG	238	0.015437504054
GT	339	0.0219887137575
TA	2008	0.130245832523
TC	866	0.0561717584485
TG	465	0.0301615100214
TT	2169	0.140688849971