#dinucleotide	frequency
AA	1914969	0.0596726173226
AC	1765844	0.0550257123032
AG	1939330	0.0604317338569
AN	300	9.34834203415e-06
AT	1832348	0.0570980527653
CA	2176867	0.0678336575962
CC	1910229	0.0595249135185
CG	1972474	0.0614645386849
CN	325	1.0127370537e-05
CT	1931852	0.0601987108512
GA	2164202	0.0674390017566
GC	2157055	0.0672162930882
GG	1914655	0.0596628327246
GN	288	8.97440835278e-06
GT	1771347	0.0551971920572
NA	339	1.05636264986e-05
NC	294	9.16137519346e-06
NG	324	1.00962093969e-05
NN	1188320	0.0370294060201
NT	295	9.19253633358e-06
TA	1196396	0.0372810633876
TC	2158325	0.0672558677362
TG	2180784	0.067955715782
TN	339	1.05636264986e-05
TT	1913751	0.059634663054