#dinucleotide	frequency
AA	2481	0.161765664732
AC	715	0.0466192866923
AG	632	0.041207537328
AT	2137	0.13933624568
CA	754	0.0491621568755
CC	571	0.0372302275543
CG	186	0.01212753472
CT	728	0.0474669100867
GA	556	0.0362522005607
GC	301	0.0196257416705
GG	319	0.0207993740627
GT	492	0.0320792853883
TA	2174	0.141748712264
TC	652	0.0425115733194
TG	530	0.0345569537719
TT	2109	0.137510595292