Yes

A and a are the same letter.

No

A and h are different letters.

Yes

B and b are the same letter.

No

B and i are different letters.

Yes

C and c are the same letter.

No

C and j are different letters.

Yes

D and d are the same letter.

No

D and k are different letters.

Yes

E and e are the same letter.

No

E and l are different letters.

Yes

F and f are the same letter.

No

F and m are different letters.

Yes

G and g are the same letter.

No

G and n are different letters.

Yes

H and h are the same letter.

No

H and o are different letters.

Yes

I and i are the same letter.

No

I and p are different letters.

Yes

J and j are the same letter.

No

J and q are different letters.

Yes

K and k are the same letter.

No

K and r are different letters.

Yes

L and l are the same letter.

No

L and s are different letters.

Yes

M and m are the same letter.

No

M and t are different letters.

Yes

N and n are the same letter.

No

N and u are different letters.

Yes

O and o are the same letter.

No

O and v are different letters.

Yes

P and p are the same letter.

No

P and w are different letters.

Yes

Q and q are the same letter.

No

Q and x are different letters.

Yes

R and r are the same letter.

No

R and y are different letters.

Yes

S and s are the same letter.

No

S and z are different letters.

Yes

T and t are the same letter.

No

T and a are different letters.

Yes

U and u are the same letter.

No

U and b are different letters.

Yes

V and v are the same letter.

No

V and c are different letters.

Yes

W and w are the same letter.

No

W and d are different letters.

Yes

X and x are the same letter.

No

X and e are different letters.

Yes

Y and y are the same letter.

No

Y and f are different letters.

Yes

Z and z are the same letter.

No

Z and g are different letters.