Finger-trace the letters in Mommy to understand how to form them, and then try them with a pencil or crayon...
Mommy Finger Tracing
For younger children who call their mother "Mama" - perhaps in Spain, Germany or other parts of the world - this is the handwriting worksheet to start with.
If you are in Wales, you might call your mother "Mam". Here is a first finger tracing worksheet to help children learn how to write this important word.