26个英文字母大小写对照表

Aa - The first two letters of the English alphabet. Bb - The second two letters of the English alphabet. Cc - The third two letters of the English alphabet. Dd - The fourth two letters of the English alphabet. Ee - The fifth two letters of the English alphabet. Ff - The sixth two letters of the English alphabet. Gg - The seventh two letters of the English alphabet. Hh - The eighth two letters of the English alphabet. Ii - The ninth two letters of the English alphabet. Jj - The tenth two letters of the English alphabet. Kk - The eleventh two letters of the English alphabet. Ll - The twelfth two letters of the English alphabet. Mm - The thirteenth two letters of the English alphabet. Nn - The fourteenth two letters of the English alphabet. Oo - The fifteenth two letters of the English alphabet. Pp - The sixteenth two letters of the English alphabet. Qq - The seventeenth two letters of the English alphabet. Rr- The eighteenth two letter