Terra: like Tara, rhyming with Sara
Locke: like the verb lock
Celes: with short E's
Umaro: oom-a-ro (like in go)
Gogo: just like that old 80's band
Relm: like the noun realm
Strago: using a short A
Cyan: rhyming with lion
Sabin: starts like Sabbath: Sab + in
Mog: rhyming with dog, log, frog, etc.
Gau: ow! with a G in front
Setzer: sets 'er