Sangheili Major: "Brute ships. Staggered line! Shipmaster, they outnumber us, three-to-one!"
Rtas 'Vadum: "Then it is an even fight. All Cruisers, fire at will! Burn their mongrel hides!"
Clearly pronunciation varies between people, but this is what I think.
(And even the readers on the audio books and people doing voices in the games themselves pronounce some of the names differently.(Referring to a Brute in Halo 3)
Either San-geh-lee and Sang-hee-lee
Meg-ah-lek-go-lo
Yan-may-ee
Ung-goy
Kig-yar
Hure-a-gok
San-sh-you-oo-mm (Double O's for the longer note, as it is two U's originally.)
Ji-ral-han-ah-ey (Or eh if you think of the way some Canadians say it.)