Combined title and subtitle without spacing

Title

Subtitle

Combined title and subtitle with spacing maintained

Title

Subtitle

Sizes

Title 1

Title 2

Title 3

Title 4

Title 5

Title 6

Subtitle 1

Subtitle 2

Subtitle 3

Subtitle 4

Subtitle 5

Subtitle 6

Use a size difference of two, fx: "title is-1" and "subtitle is-3"