Query: "A C D"     Query: "A B C"    Query: "A B"   Query: "C D"
Answers:           Answers:          Answers:       Answers:
[                  [                 [              [
  'AB-C-D',         'ABIC',           'A--B',        'C-D',
  'A--C-D',         'AB_C'            'ACDB',        'C-D',
  'ABICID',        ]                  'A--B'         'CAD',
]                                    ]               'CID'
                                                    ]