How many letters(字母) are there in this face?

How many letters(字母) are there in this face? how many letters are there in “English”? How many letters are there in "English" How many letters are there in the worid?There are( ). How many letters are there in "English"(Answer in English) How many letters are there in the world?脑筋急转弯 请教一道智力题：How many letters are there in "English"? how many letters are there in the "world". How many letters are there in English?而且要有回答 How many letters are there in "English".的意思 how many letters are there in the "world" How many letters are there in the world?-----____________.(回