Letter  Number  % Correct 

F  Four  88%

T  Two  84%

S  Six  80%

E  Zero  78%

Z  Zero  77%

N  One  77%

O  Zero  77%

H  Three  76%

I  Five  76%

B  Billion  74%

R  Zero  71%

V  Five  69%

W  Two  68%

G  Eight  67%

X  Six  65%

U  Four  64%

L  Eleven  61%

M  Million  57%

A  Thousand  55%

Y  Twenty  51%

D  Hundred  39%

Q  Quadrillion  31%

C  Octillion  7%

P  Septillion  6%
