#dinucleotide	frequency
AA	1608	0.0975905808096
AC	1479	0.0897614857073
AG	785	0.0476421678704
AT	1224	0.0742853674819
CA	1557	0.0944953571645
CC	1778	0.10790799296
CG	470	0.0285246100625
CT	1394	0.0846027796322
GA	627	0.0380530436366
GC	729	0.0442434909267
GG	449	0.0272501062087
GT	426	0.0258542210354
TA	1304	0.0791406202585
TC	1213	0.0736177702252
TG	527	0.0319839776658
TT	907	0.0550464283547