#dinucleotide	frequency
AA	2499	0.17157569516
AC	555	0.038105046344
AG	433	0.0297288019224
AT	2107	0.144661860625
CA	649	0.044558874013
CC	400	0.0274630964641
CG	106	0.00727772056299
CT	806	0.0553381393752
GA	492	0.0337796086509
GC	181	0.01242705115
GG	194	0.0133196017851
GT	280	0.0192241675249
TA	1954	0.134157226227
TC	825	0.0566426364573
TG	414	0.0284243048404
TT	2670	0.183316168898