#dinucleotide	frequency
AA	2486	0.164309319233
AC	546	0.0360872438863
AG	481	0.0317911434237
AN	1	6.60938532716e-05
AT	2417	0.159748843358
CA	617	0.0407799074686
CC	433	0.0286186384666
CG	88	0.0058162590879
CN	1	6.60938532716e-05
CT	718	0.047455386649
GA	519	0.034302709848
GC	199	0.0131526768011
GG	192	0.0126900198282
GT	250	0.0165234633179
NA	2	0.000132187706543
NT	1	6.60938532716e-05
TA	2307	0.152478519498
TC	679	0.0448777263714
TG	399	0.0263714474554
TN	1	6.60938532716e-05
TT	2793	0.184600132188