#dinucleotide	frequency
AA	1995	0.111458740712
AC	1679	0.0938041231354
AG	762	0.042572210738
AT	1377	0.0769316721605
CA	1614	0.0901726353428
CC	1898	0.106039443544
CG	458	0.0255880216772
CT	1451	0.0810659813397
GA	661	0.0369294373987
GC	669	0.0373763897424
GG	452	0.0252528074194
GT	412	0.0230180457009
TA	1543	0.0862059332924
TC	1175	0.0656461254819
TG	522	0.0291636404268
TT	1231	0.0687747918878