When writing English we use the 26 letters of the alphabet. However, when speaking there are roughly 44 different sounds in English. If you're concentrating on the sounds of English, you need 44 ...
How many vowels does English have? Five, right? A, E, I, O, U. Oh, and sometimes Y. So, six? Actually, English has at least 14 different vowel sounds and, depending on the speaker and dialect, maybe ...