Below is a table of log digram frequencies.
The top row represents the frequencies of aa, ab... az
The second row of ba, bb....bz, and so on

47874675736879373989676574
74208111630721710653712060
82527328727621822647613040
76568655843665753677656062
97888766745879775998577673
74537644722653840757624050
75547557732655752766635051
85449434831554842657625050
75877774425879764788473505
50004000300000500000600000
54327424622436531365304050
85578544825854852466655071
86438424710464761365614060
86788696846656853589656362
66776866636789773978968453
73337326721732760766603040
00000000000000000000600000
86679665836666863688656071
86768657846666874589747062
86658659833665962788747072
66766464623778560888334343
61008000700000500010210030
73347328722446730555214031
41424203510110350125202230
66666655633565863576436242
40005000300200300010200044