#dinucleotide	frequency
AA	2444	0.162868186059
AC	655	0.0436492069839
AG	478	0.0318539250966
AT	2151	0.143342662935
CA	755	0.0503132080501
CC	458	0.0305211248834
CG	128	0.00852992136479
CT	788	0.052512328402
GA	510	0.0339864054378
GC	199	0.0132613621218
GG	238	0.0158603225377
GT	319	0.0212581634013
TA	2018	0.134479541517
TC	817	0.0544448887112
TG	422	0.0281220844995
TT	2626	0.174996667999