#dinucleotide	frequency
AA	2556	0.167771578602
AC	554	0.0363636363636
AG	494	0.0324253363965
AT	2267	0.148802100427
CA	599	0.039317361339
CC	471	0.0309156547424
CG	99	0.00649819494585
CT	817	0.0536265178864
GA	497	0.0326222513948
GC	212	0.0139153265507
GG	220	0.014440433213
GT	298	0.0195602231703
TA	2220	0.145717098786
TC	749	0.049163111257
TG	414	0.0271742697735
TT	2768	0.181686905153