Organize the list of words according to their length.
skyscraper, chair, umbrella, curtain
chair, curtain, umbrella, skyscraper
Complete the following task based on the instruction and optional input provided.### Instruction:
Organize the list of words according to their length.

### Input:
skyscraper, chair, umbrella, curtain

### Output:
chair, curtain, umbrella, skyscraper