Uppercases initials-style patterns: single letters separated by dots (for example u.s.a or d.j). Other text is left as-is.
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bruce springsteen - born in the u.s.a >>> bruce springsteen - born in the U.S.A
live in the u.k and the u.s.a and e.u >>> live in the U.K and the U.S.A and E.U
feat. a.b. and j.j. cale >>> feat. A.B. and J.J. cale