> not trying to be obtuse, but there is at least one solution, the one used to decrypt

Right, which is why I didn't quote that part :)

> you can use a frequency analysis to identify vowels.

That will help in many cases, but not against a properly-used one-time-pad.

> but to have access at some point, to agreed upon keys, in order to generate a pad on the spot

That's not really a one-time pad then, that's just a stream cipher. Which do work better than one-time pads in the vast majority of cases, aside from not being "perfectly" secure.