proto world: articles/prepositions

 the zhe ce de le
这　的　了

the sound shifts seem to be S, D, Zh, Th, L

th=>zh
th=>l
zh=>s

a table of sound shifts along the lines of grimms law for all phonemes probably exists somewhere.

core meanings: this the of from it that

s=at
n=as
l=in/into
v=at
d/t=to/ward