In Japanese, graphemes include hiragana, katakana, kanji, etc.

He is listening to music in his own room.

I offered a prayer of gratitude to the gods of the earth.

My new wheelchair is very comfortable.

This self-propelled lawnmower is very convenient.

He was considering charcoal-burning suicide, but with the help of a friend, he abandoned that thought.

He chose self-immolation as a form of protest.

He chose self-immolation as a form of protest.

He was admitted to a mental hospital after attempting suicide.

He attempted suicide by charcoal burning, but fortunately, he was saved.