Let's send an email without forgetting the respectful address.

He is my best friend.

Back vowels are vowels that are pronounced using the back of the tongue.

A back vowel is a sound where the back of the tongue approaches the palate.

Tokudaiji Sanesada, also known as Goto Tokudaiji Sadaijin, was a court noble and a literary person during the Heian period.

An abnormality was found in his occipital lobe.

He is doing special exercises to strengthen his tibialis posterior muscle.

Strengthening the occipitalis muscle can reduce neck pain.

The Kokin Wakashū is the second collection of the Chokusen Wakashū.

He is my best friend.