Tee-dus
Sigh-furr
Rye-jin
Foo-jin
Bal-thee-air (like in the game)

Here's some others that I've seen confused:
Tifa - Tee-fah,
Aeri - Ay-ris
Lucrecia - Loo-cre-tzee-ah,
Refia - Reh-fee-ah,
Rydia - Rye-dee-ah,
Krile - Krill-eh,
Celes - Cell-ess,
Quistis - Quiss-tiss,
Zidane - Zid-ayne.