gacha-gacha（ガチャガチャ）
gacha-gacha describes a clattering, rattling sound or a state of noisy, chaotic movement.
kiraan（キラーン）
1. A sharp, sparkling flash of light
pyon-pyon（ピョンピョン）
1. A light, bouncing or hopping movement
gera-gera（ゲラゲラ）
gera-gera describes loud, unrestrained laughter marked by a sharp, open sound.
gyaa-gyaa（ギャーギャー）
1. Loud, high-pitched shouting or crying
shuwa-shuwa（シュワシュワ）
shuwa-shuwa describes a light, fizzy sound or sensation produced by bubbles, carbonation, or gentle effervescence.
kusu-kusu（クスクス）
kusu-kusu describes a soft, restrained form of laughter, typically a quiet chuckle or giggle made under one’s breath.
gabu-gabu（ガブガブ）
1. Drinking in large, vigorous gulps
peta-peta（ペタペタ）
peta-peta describes a light, flat sound or motion created when something soft or slightly sticky repeatedly touches a surface.
pusu-pusu（プスプス）
pusu-pusu describes a faint, weak sound of air, heat, or energy escaping, often associated with smoldering, leaking, or something gradually losing strength.