text: table_create Memos TABLE_PAT_KEY ShortText
  column_create Memos content COLUMN_SCALAR ShortText
  
  table_create Terms TABLE_PAT_KEY ShortText \
    --default_tokenizer TokenBigram \
    --normalizer NormalizerAuto
  column_create Terms memos_content COLUMN_INDEX|WITH_POSITION Memos content
  
  load --table Memos
  [
  {"_key":"alphabets1", "content": "a c d ."},
  {"_key":"alphabets2", "content": "a b c d e f ."},
  {"_key":"alphabets3", "content": "a b x c d e f ."},
  {"_key":"alphabets4", "content": "a b x x c d e f ."}
  ]
  
  select \
    --table Memos \
    --filter 'content *NP3,-1 "a c .$"' \
    --output_columns _score,_key,content
  