saa（サー）
1. Continuous natural sound
chun-chun（チュンチュン）
chun-chun describes the short, high-pitched chirping sound made by small birds, typically sparrows.
toro-ri（トロリ）
toro-ri describes a thick, cohesive substance that stretches or drips in a single, heavy stream.
ara-ara（アラアラ）
ara-ara describes a reaction of mild surprise, concern, or gentle disapproval expressed in a calm and composed manner.
nya-nya（ニャーニャー）
nya-nya describes the repeated meowing sound made by cats.
moya-moya（モヤモヤ）
moya-moya describes a state of emotional or mental haziness, where feelings are unclear, unresolved, or vaguely uncomfortable.
chira-chira（チラチラ）
chira-chira describes repeated, intermittent, or flickering movements of looking or appearing.
bura-bura（ブラブラ）
bura-bura describes a loose, dangling, or swinging motion, often repeated and unhurried.