The names of the nine main (good) characters from the first book: Ailcarrier.

Rayne and Dain with their names, plus my signature in Filtell.

I'll be writing the whole grammar book and dictionary for the entirety of the language as soon as I get a few minutes of sleep and another handful to myself to sort out things now that I am physically crippled after seventeen years of gross abuse, but, if I do get the mentioned minutes, I'll come up with the full kit to make Filtell into a fully speakable language.