Станислав

data.reduce((acc, curr, i) => [...acc, ...data.slice(i + 1).map((item) => `${curr} - ${item}`)], []);

name: Joi.string().min(20).max(120).replace(/[^a-zа-яё\d-,.:]/ig, '').error(new Error(message.name)),

add_header X-Frame-Options "ALLOW-FROM https://vk.com/";

.container {
  display: flex;
  flex-wrap: wrap;
  padding: 0 10px;
}
.content,
.content-details,
.sidebar {
  padding: 10px;
}
.content {
  flex-grow: 1;
  background-color: #DDD;
}

.content-details {
  width: 100%;
  order: 2;
  background-color: orange;
}

.sidebar {
  width: 200px;
  background-color: green;
}

* {
  box-sizing: border-box;
}
.container {
  display: flex;
  flex-wrap: wrap;
  padding: 0 10px;
}
.content,
.content-details,
.sidebar {
  padding: 10px;
}
.content {
  order: -1;
  width: calc(100% - 200px);
  background-color: #DDD;
}

.content-details {
  background-color: orange;
  order: 1;
  width: 100%;
}

.sidebar {
  width: 200px;
  background-color: green;
  order: 0;
}