Bryan means high. Alok is close meaning rise but in a pinch you can use Bo, fly.

I do not know what Matthewraj translates to. But if you meant Matthew, that means 'gift of (God)' which directly translates to Ofan-Se-Rah Dovahzul uses compound words, and there would be no hyphens normally.

Murty is from the Celtic name Muirchertach, which means Seaman.

Sea is Okaaz, man would be Mun.

Also remember Dragon names are only three syllables, and Dragon Priests two. So you may want to only use part of this, taking the best words.