lowercase c and a

lowercase d and g

lowercase i and t

lowercase j and p

lowercase u and w

lowercase o and q

lowercase e and l

lowercase f and b

lowercase h and k

lowercase r and s

lowercase v and y

lowercase m and n

lowercase x and z

uppercase A and O

Uppercase C and E

Uppercase M and N

Uppercase H and K

Uppercase U and Y

Uppercase V and W

Uppercase X and Z

Uppercase I and J

Uppercase D and L

Uppercase T and F

Uppercase S and G

Uppercase P and R

Uppercase B and Q