From: Miguel Carrasquer
Message: 40687
Date: 2005-09-26
>We do find, in the world's languages, consonantal phonemes like Arabic /H/*h2 lowers vowels (e > a)
>which LOWER vowels but none which FRONT them.
>We find velo-dorsals like /kW/*h3 rounds vowels (e > o)
>which ROUND vowels but none which BACK them.