#dinucleotide	frequency
AA	3226	0.194653955228
AC	729	0.0439872081096
AG	463	0.0279370059736
AT	2789	0.168285766005
CA	882	0.0532190912931
CC	421	0.025402763531
CG	97	0.00585289326012
CN	1	6.03391057745e-05
CT	784	0.0473058589272
GA	566	0.0341519338683
GC	116	0.00699933626984
GG	155	0.00935256139504
GN	4	0.000241356423098
GT	264	0.0159295239245
NA	1	6.03391057745e-05
NC	1	6.03391057745e-05
NG	1	6.03391057745e-05
NT	4	0.000241356423098
TA	2533	0.152838954927
TC	918	0.0553912991009
TG	389	0.0234719121463
TN	2	0.000120678211549
TT	2227	0.13437518856