It's interesting that the relationship between letters that are vowels and letters that are pronounced with a vowel sound is apparently random.
Is a vowel:
AEIOU and sometimes Y
Pronounced with a vowel sound:
AEFHILMNORSX
It's interesting that the relationship between letters that are vowels and letters that are pronounced with a vowel sound is apparently random.
Is a vowel:
AEIOU and sometimes Y
Pronounced with a vowel sound:
AEFHILMNORSX