#dinucleotide	frequency
AA	2105773	0.0646920261555
AC	1760532	0.0540857833164
AG	2139179	0.0657183009846
AN	24	7.37310539992e-07
AT	2218153	0.068144482759
CA	2201865	0.0676440946725
CC	1955371	0.060071485329
CG	1743888	0.0535744584569
CN	16	4.91540359995e-07
CT	2150205	0.0660570337352
GA	2295893	0.0705327544831
GC	2030650	0.0623841520015
GG	1951547	0.0599540071829
GN	21	6.45146722493e-07
GT	1756846	0.053972544706
NA	18	5.52982904994e-07
NC	22	6.75867994993e-07
NG	20	6.14425449994e-07
NN	9009	0.00027676794395
NT	31	9.5235944749e-07
TA	1620163	0.0497734690169
TC	2304753	0.0708049449575
TG	2200317	0.0675965381427
TN	30	9.21638174991e-07
TT	2106409	0.0647115648848