ira-ira（イライラ）
ira-ira describes a state of irritation, agitation, or growing frustration.
niya-niya（ニヤニヤ）
niya-niya describes a sly, smug, or suggestive grin that continues over time.
gucha-gucha（グチャグチャ）
1. Messy, crushed, or squashed state
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.
zuru-zuru（ズルズル）
1. Slurping sound or action
gaku-gaku（ガクガク）
gaku-gaku describes a repeated, unsteady trembling or shaking motion, often caused by weakness, fear, cold, or exhaustion.
gyaa-gyaa（ギャーギャー）
1. Loud, high-pitched shouting or crying
gasa-gasa（ガサガサ）
1. Dry, rough surface condition
biku-biku（ビクビク）
1. Trembling or twitching slightly due to fear or tension
hera-hera（ヘラヘラ）
hera-hera describes a person acting in a frivolous, unserious, or overly casual manner, often smiling or laughing without sincerity.