Re: looking for a limerick

Ildhund wrote:
> I have been trying all afternoon, but I still cannot detect any
difference 
> at all in the way I pronounce the syllable preceding 'arms' in
> (a) He voted against 'Pygmalion' but for 'Arms and the Man'.
> (b) My Thalidomide brother had four arms, but I have only two.
> (c) My forearms are skinnier than my brother's.

In my accent, the vowel goes from back(ish) to front(ish) in the order 
for-fore-four. There is very little difference between the latter two, 
and as someone else pointed out, none in most accents.