Palatalized / Labialized consonants

I was wondering if any languages make a distinction between a platalized
consonant, and a consonant followed by a palatal glide [j] (Same goes for
labiakization, or a consonant followed by [w]) I think this would be quite
of a hard distinction to make. I was also wondering if in Russian, before
an unstressed [i], does palatalization occur, because with certain
consonants, I can't hear it, or it is barely audible, such as with [v] or
[f].

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