SELECT 
  word 
FROM 
  ushop_ec_word_blocker as words 
ORDER BY 
  words.word

Query time 0.00032

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.45"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "2.00"
      },
      "table": {
        "table_name": "words",
        "access_type": "ALL",
        "rows_examined_per_scan": 2,
        "rows_produced_per_join": 2,
        "filtered": "100.00",
        "cost_info": {
          "read_cost": "0.25",
          "eval_cost": "0.20",
          "prefix_cost": "0.45",
          "data_read_per_join": "416"
        },
        "used_columns": [
          "id",
          "word"
        ]
      }
    }
  }
}