#dinucleotide	frequency
AA	2336	0.151373768792
AC	1025	0.0664204250907
AG	766	0.0496371176776
AT	1689	0.109447900467
CA	947	0.0613659927424
CC	635	0.0411482633489
CG	230	0.0149040953862
CT	907	0.0587739761534
GA	711	0.0460730948678
GC	374	0.0242353551063
GG	401	0.0259849663038
GT	432	0.0279937791602
TA	1822	0.118066355625
TC	685	0.044388284085
TG	521	0.0337610160705
TT	1951	0.126425609124