#dinucleotide	frequency
AA	2572	0.161152882206
AC	509	0.0318922305764
AG	452	0.028320802005
AT	2507	0.157080200501
CA	610	0.0382205513784
CC	341	0.021365914787
CG	89	0.00557644110276
CT	741	0.0464285714286
GA	493	0.0308897243108
GC	185	0.0115914786967
GG	208	0.0130325814536
GT	341	0.021365914787
TA	2365	0.148182957393
TC	746	0.0467418546366
TG	478	0.0299498746867
TT	3323	0.20820802005