#dinucleotide	frequency
AA	2015	0.0997524752475
AC	1525	0.075495049505
AG	977	0.0483663366337
AT	1735	0.0858910891089
CA	1551	0.0767821782178
CC	1746	0.0864356435644
CG	468	0.0231683168317
CT	1704	0.0843564356436
GA	823	0.0407425742574
GC	770	0.0381188118812
GG	574	0.0284158415842
GT	620	0.0306930693069
TA	1863	0.0922277227723
TC	1428	0.0706930693069
TG	767	0.0379702970297
TT	1634	0.0808910891089