#dinucleotide	frequency
AA	2488	0.123192711428
AC	1283	0.0635274311745
AG	839	0.0415428797782
AN	2	9.90295107942e-05
AT	2227	0.110269360269
CA	1272	0.0629827688651
CC	1301	0.0644186967716
CG	312	0.0154486036839
CN	2	9.90295107942e-05
CT	1279	0.0633293721529
GA	785	0.0388690829867
GC	629	0.0311447811448
GG	548	0.0271340859576
GN	2	9.90295107942e-05
GT	590	0.0292137056843
NA	1	4.95147553971e-05
NC	2	9.90295107942e-05
NT	4	0.000198059021588
TA	2294	0.113586848881
TC	951	0.0470885323827
TG	854	0.0422856011091
TN	1	4.95147553971e-05
TT	2530	0.125272331155