They claim that a vowel is longer before an unvoiced consonant. Yes, but I noticed that vowel length only makes sense in stressed syllables, so as long as you stress the second word in each example this feature can be neglected. Devoicing

I've looked over the newsgroup and figured out that "Mrs." and "Mr." don't have a period after them in Britain. ... the U.S.? It's not an abreviation so like "Miss", it needs no period. Yet even MS

It seems that every time I post a comment it provokes a load ofdiscussion threads. But not to be detered, ... changes. Forinstance, they say " 'ospikal" when they mean "hospital", or "ee 'ant gotnone" instead