my @POvars_common = qw[ ppo userid email ];

my %POvars = (
        'GRP' => [@POvars_common, 'gwpo', 'gwdomain'],
        'JAG' => [@POvars_common, 'jagexcept'],
        'CIS' => [@POvars_common],
        'MST' => [@POvars_common],
        'GCG' => [@POvars_common]
);