Im sure I heard it was 'con <span>permiso'
but then again, aparently theres many ways of saying it..</span>
There are some rules, but the pronunciation is also important.
If the word ends in a vowel, an “n”, or an “s”, stress the last-but-one syllable:
If the word ends in a consonant other than “n” or “s”, stress the last syllable: ...
If the word has an acute accent, ignore the above rules and stress the accented syllable:
