Derek Vogt has kindly provided an update of his scheme, so the one on this page is now outdated.
Here I am posting the Voynichese phonetic system which Derek Vogt has been working on, drawing on approaches used in my earlier paper which attempted to sketch out a few sound-symbol relationships in the Voynich script Download the contour map. Derek has been drawing on a few other resources:
And for names of the plants identified there & translations of some of the words in their names:
http://www.plantnames.unimelb c# server file download.
Any comments or suggestions welcome Golden Worm remote control server.