Sort the following words by the first letter of their spelling in the English alphabet.
Yahoo, Xanthum, Wolf, Zebra
The words sorted by the first letter of their spelling in the English alphabet are: Wolf, Xanthum, Yahoo, Zebra.
Complete the following task based on the instruction and optional input provided.### Instruction:
Sort the following words by the first letter of their spelling in the English alphabet.

### Input:
Yahoo, Xanthum, Wolf, Zebra

### Output:
The words sorted by the first letter of their spelling in the English alphabet are: Wolf, Xanthum, Yahoo, Zebra.