function solve (arr) {
  let dictionary = {}
  let [input, words, output] = arr

  input = input.split(' | ')

  for (const line of input) {
    let [word, meaning] = line.split(': ')

    if (dictionary.hasOwnProperty(word)) {
      let definitions = dictionary[word]
      definitions.push(meaning)
      dictionary[word] = definitions
    } else {
      let definition = []
      definition.push(meaning)
      dictionary[word] = definition
    }
  }

  let result = Object.getOwnPropertyNames(dictionary).sort()

  if (output === 'List') {
    console.log(result.join(' '))
  } else if (output === 'End') {
    result = result.filter(x => words.split(' ').includes(x))
    for (const word of result) {
      console.log(word)

      let defs = dictionary[word]
        .sort((a, b) => a.length < b.length)
        .map(x => console.log(` -${x}`))
    }
  }
}

solve([
  'programmer: an animal, which turns coffee into code | developer: a magician',
  'Pesho | Gosho',
  'List'
])

solve([
  'tackle: the equipment required for a task or sport | code: write code for a computer program | bit: a small piece, part, or quantity of something | tackle: make determined efforts to deal with a problem | bit: a short time or distance',
  'bit | code | tackle',
  'End'
])