空Sky. Atmosphere. Heaven. Big. Wide. Empty. No substance. Meaningless. Useless. In Buddhism, something without substance or essence. A thing related to aviation.
生Live. To be born. Born. To grow. Life. A living thing. Pure. Unadulterated. Fresh. Unprocessed. Unripe. A person who is learning or practicing.
優Gentle. Soothing. Caring. Soothing. Relaxed. Elegant, beautiful. Superior to others. Excellent. Rich. Abundant. Generous.
吏A government official. A lower-ranking official. To govern. It is a metaphor for sincerity and hard work, as it originated from a government official who worked hard.
姫Princess. Daughter of a heavenly child. Daughter of a person of high rank. An honorific title for a woman of high rank. A beautiful woman. A beautiful name for a woman. A word for something small or lovely.