shuwa-shuwa（シュワシュワ）
shuwa-shuwa describes a light, fizzy sound or sensation produced by bubbles, carbonation, or gentle effervescence.
niya-niya（ニヤニヤ）
niya-niya describes a sly, smug, or suggestive grin that continues over time.
fuwa-fuwa（フワフワ）
1. Soft, light, and fluffy in texture
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.
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.
kiraan（キラーン）
1. A sharp, sparkling flash of light
piko-piko（ピコピコ）
piko-piko describes a small, light, repetitive movement or sound, often associated with simple electronic beeps, toy-like motions, or rhythmic mechanical reactions.
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.
gyaa-gyaa（ギャーギャー）
1. Loud, high-pitched shouting or crying
koro-koro（コロコロ）
1. Rolling lightly