::vlesscons:: = t͡ɕ|t͡ʂ|ʂ|ɕ|f|x|k|p|s|t

% Devoicing
b -> p / _ (#|::vlesscons::)
d -> t / _ (#|::vlesscons::)
ɡ -> k / _ (#|::vlesscons::)
v -> f / _ (#|::vlesscons::)
z -> s / _ (#|::vlesscons::)
d͡ʑ -> t͡ɕ / _ (#|::vlesscons::)
d͡ʐ -> t͡ʂ / _ (#|::vlesscons::)
ʑ -> ɕ / _ (#|::vlesscons::)
ʐ -> ʂ / _ (#|::vlesscons::)

v -> f / (::vlesscons::) _