He made a sound of 'um' while reading the book.

This dam was built to secure the local water supply.

It's my habit to chew gum every day.

Hiromu is my best friend.

He grew up in a slum.

Rem is a unit of radiation absorption.

He is deeply interested in the theory of anarchism.

He took a deep breath and chanted 'Namu'.

𛀉 is one of the syllables in Japanese.

He was moaning in his lewd dream.