#dinucleotide	frequency
AA	1671	0.114530500343
AC	453	0.0310486634681
AG	847	0.0580534612748
AT	1855	0.127141877999
CA	418	0.0286497601097
CC	249	0.0170664838931
CG	111	0.00760795065113
CT	817	0.0559972583962
GA	735	0.0503769705278
GC	165	0.0113091158328
GG	274	0.018779986292
GT	653	0.0447566826594
TA	2003	0.1372858122
TC	728	0.0498971898561
TG	594	0.0407128169979
TT	3017	0.2067854695