Frequencies of Letters in English Plain Text

From Wikipedia: Letter Frequences
LetterFrequencyLetterFrequency
a 0.08167 n 0.06749
b 0.01492 o 0.07507
c 0.02782 p 0.01929
d 0.04253 q 0.00095
e 0.12702 r 0.05987
f 0.02228 s 0.06327
g 0.02015 t 0.09056
h 0.06094 u 0.02758
i 0.06966 v 0.00978
j 0.00153 w 0.02360
k 0.00772 x 0.00150
l 0.04025 y 0.01974
m 0.02406 z 0.00074

By analyzing roughly 15000 characters, or roughly 2700 words from three separate sources, we came up with the statistics below. The three sources were:

General Letter Frequencies
LetterFrequencyLetterFrequency
e 0.124167 m 0.0281775
t 0.0969225 f 0.0235145
a 0.0820011 p 0.0203171
i 0.0768052 y 0.0189182
n 0.0764055 g 0.0181188
o 0.0714095 w 0.0135225
s 0.0706768 v 0.0124567
r 0.0668132 b 0.0106581
l 0.0448308 k 0.00393019
d 0.0363709 x 0.00219824
h 0.0350386 j 0.0019984
c 0.0344391 q 0.0009325
u 0.028777 z 0.000599

The top ten letters with frequencies, which occur at the beginning of words:

Start of Word Letter Frequencies
Letter t a i s o c m f p w
Freq 0.1594 0.155 0.0823 0.0775 0.0712 0.0597 0.0426 0.0408 0.040 0.0382

The top ten letters with frequencies, which occur at the end of words:

End of Word Letter Frequencies
Letter e s d t n y r o l f
Freq 0.1917 0.1435 0.0923 0.0864 0.0786 0.0730 0.0693 0.0467 0.0456 0.0408

The most common digrams (in order)

th he in en nt re er an ti es on at se nd or ar al te co de to ra et ed it sa em ro

The most common trigrams (in order)

the and tha ent ing ion tio for nde has nce edt tis oft sth men