Let's learn the method to derive the initial letter of a mora using a semi-voiced sound mark.

It's difficult to pronounce the semi-voiced sounds in Japanese correctly.

The radius of this circle is 5 centimeters.

He lost his job, but he believes in the saying 'when one door shuts, another opens' and is looking for new opportunities.

He says 'knowledge is power' and studies hard every day.

He can't stop boasting about his strength.

He has physical strength, so he can work for a long time.

His work is overflowing with life force.

His masticatory force is surprisingly strong.

Tidal force is the force that causes the tides of the Earth's oceans.