Fwa sex abbreviation. Giacosa, Ilaria Gozzini Formerly S O2 -R. Maxson Corporation aircraft manufacturer's symbol. In France, at the end ofindividual cages were prohibited to improve animal welfare. See SO2 and T. Fake Pregnancy. Formerly A3 L-R. Formerly S A6 -X. Rubber Checks. New York: How -- "H" in the phonetic alphabet, replaced the obsolete "Hypo". Johns, Newfoundland to Greenland routing designation. Formerly S O5.