The language spoken by Simes. This includes tentacle gestures and nageric modulation to enhance their communications.
From the Simegen.com Domain --- Nivet Territory Accent Simelan Vocabulary Sound Files --- http://www.simegen.com/jl/nivetsoundfiles/
(Source: Index card file, HOUSE OF ZEOR) Not quite cognate to English (in Nivet Territory). Syntax often bewildering especially in the passive voice -- the result of the different way simes perceive reality. Sime's most frequently used vocabulary concerned ordinary human matters. Hugh has a background in Simelan from childhood and years of formal study in the Federal Police -- used to speak it secretly when alone with his mother. Simelan uses a different written alphabet from "English," at least writing in script does, requiring transliteration. Hugh can't read Sime handwriting very well.
(Source: Can Gens Master Simelan? A discussion from "Virtual Selyn," The Sime~Gen Mailing List. Link: http://www.simegen.com/sgfandom/rimonslibrary/zf/simemain.html)