Inspired by Jaime's totally not ridiculous Spanglish, this is the place where you post examples of constructed languages in your character's universe.
For Lafiel, the Abh language is called Baronh. The alphabet is called Ath and is a syllabic alphabet that is a very distant descendant of Japanese with all the foreign influences removed. Spoken, it sounds like a bizzare hybrid of Welsh, Finnish and Russian. Her name means "Jewel" in Baronh.
Spoken Baronh:
A dictionary is available
here.
For Sheeana, her native ConLang is Chakobsa, a distant descendant of Arabic, spoken by the desert dwelling Fremen of Dune.
Here is a song sung in that language:
There are several other languages mentioned that don't recieve such an extensive treatment, including Galach (the standard language of the Imperium) and Bene Gesserit hand talk, a secret sign language.