poko-n（ポコン）
poko-n describes a light popping or plopping sound made by a small, firm object with gentle force.
pera（ペラ）
pera describes something thin, light, and flimsy moving or bending easily, often with a soft flipping or fluttering motion.
peta-n（ペタン）
peta-n describes a light, flat, and sudden contact or settling motion, often used when something soft or flexible collapses, sits down, or sticks lightly to a surface.
moko（モコ）
moko describes a single soft, rounded bulge or puffed-up shape.
zii（ジーッ / jii）
zii describes a continuous, quiet, focused state or sound, often written as jii in romaji.
puka-puka（プカプカ）
puka-puka describes a light, buoyant floating motion, typically used when something drifts on water or floats in the air without sinking or falling.
toro-toro（トロトロ）
toro-toro describes a thick, viscous, slow-moving texture, typically associated with semi-liquid substances that flow gently and continuously.
hiso-hiso（ヒソヒソ）
hiso-hiso describes speaking quietly in a low, secretive voice.
fuka-fuka（フカフカ）
fuka-fuka describes a soft, springy, and cushion-like state, typically used when something has a plush, yielding surface that gently compresses under light pressure.
toro（トロ）
toro describes the moment when a soft or semi-melted substance begins to loosen and move.