what are letters called

what are letters called ZWPQRTYIOSFGHJKLXVNM填在What letters are missing what are the best letters to read in hot weather? What letters are people?小弟的分统统送上！ what letters are people(谜语)求求(只收5天) what are you writing in your letters什么意思 The post office has thousands of letters.A theif is afraid four letters.What are they? The post pffice has thousands of letters.A thief is afraid four letters.What are they? cal l cal calate what翻译成中文? The post oficehas thousands of letters.A thief is afraid of four letters.What are they?The post oficehas thousands of letters.A thief(小偷） is afraid of（害怕） four letters.What are they? The post office has thousands of letters.A thief is afraid of four letters.What are they? The post office has thousands of letters.A thief is afraid of four letters.What are they 猜谜1.What letter has much water?2.What letters are people? 找字母 Look at the picture.there are 14 letters in it.what are they? They are t____ letters. Waht letters are 猜谜：1.What letter is a drink?2.What letter has much water?3.What letters are people?