#dinucleotide	frequency
AA	2442	0.160131147541
AC	412	0.0270163934426
AG	659	0.0432131147541
AT	2426	0.159081967213
CA	499	0.0327213114754
CC	269	0.0176393442623
CG	90	0.00590163934426
CT	622	0.0407868852459
GA	573	0.0375737704918
GC	197	0.0129180327869
GG	296	0.0194098360656
GT	508	0.0333114754098
TA	2424	0.158950819672
TC	602	0.0394754098361
TG	529	0.0346885245902
TT	2702	0.177180327869