1,$s/z\\(rha/o'a"'/g 1,$s/z\\(rho/o'o"'/g 1,$s/z\\(rhu/o'u"'/g 1,$s/z\\(rhA/o'A"'/g 1,$s/z\\(rhO/o'O"'/g 1,$s/z\\(rhU/o'U"'/g 1,$s/^.OP/.ft B/ 1,$s/^.OM/.ft B/ 1,$s/^.NH 3/.NH 3.ft B/