The letters 'wh' often make the same sound as the letter 'w' on its own, especially at the beginning of a word.

The lonely puppy whimpered and whined.

Many of the words we use to make questions begin with the letters 'wh'.

what

when

where

why

which

Be careful, though. The question word 'who' also begins with 'wh' but the letters are pronounced like 'h' not like 'w'.