Where a-tone disappeared only in some environments
analogy may return it. For example, in thematic verbs
unmarked by a tone on the final -a- 1sng past -am
becomes syllabic -m then -am again by analogy with
2sng -af, etc.
Now that glides/high vowels and sonorant/syl sonorants
share morphophonetic characteristics analogy may
sometimes create genitive sng forms based on
au/ai-stems' (xvawa'is "sheep's" from xva'way+(a)'s>
xva'way+'s> xva'wa'y+s (then when suffixes delete
marked tone of previous syl the current location of
the high tone is probably considered, giving:)
xvawa'ys> xvawa'is by G>V+high/_[C/#]). Thus, from
wa'da'n+(a)'s to udna's by normal sound changes, but
possibly turning to uda'ns (in at least some
dialects).
f>s
Final -fs becomes -s, but whether by
s>0/f_#
or later by
ss>s/_#
I can't determine.
After so much a-deletion, there must be at least some
slight assimilation to voice and place in newly
touching CC.
Probably at least:
m>n/_s
n>ng/_C-anterior-coronal
and so on.
a'(:)>o'(:)
a`(:)>e`(:)
a(:)>o(:)/_C+labial or +sonor if not +palatal (at
least before w, m, n, x, and xv, possibly before r and
l). I don't have enough information to determine
this, and it's possible the changes differ depending
on whether the following C is in the same syl).
a(:)>e(:) elsewhere
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