In order to assign to a hash, you must pass in a matching value for every key, which can be arbitrary, ie 'AALIYAH' => 1, 'AARON' => 1, etc.

A common idiom for this is expressed using map():

my %WORD = map ( $_ => 1 ), 
('AALIYAH', 'AARON', 'ABBE' , 'ABBEY', 'ABBI', 'ABBIE', 'ABBIGAIL', 'A
+LEX');
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