#dinucleotide	frequency
AA	2671	0.167450316595
AC	684	0.0428813240549
AG	633	0.0396840323491
AT	2313	0.145006582659
CA	754	0.0472697636512
CC	391	0.0245125697448
CG	123	0.00771111529058
CT	808	0.0506551313397
GA	583	0.0365494326375
GC	264	0.0165506864773
GG	241	0.01510877061
GR	1	6.26919942323e-05
GT	401	0.0251394896872
RT	1	6.26919942323e-05
TA	2292	0.143690050781
TC	737	0.0462039997492
TG	493	0.0309071531565
TT	2561	0.160554197229