* lou - This is a diphthong, meaning it's a combination of two vowel sounds. In this case, it's a combination of the short "u" sound (as in "cup") and the long "i" sound (as in "see"). It's similar to the sound in "cow" or "how".
* d - This is a consonant sound.
* ly - This is a combination of the short "i" sound (as in "bit") and the schwa sound (ə) which is a very short, unstressed vowel sound.