poko-poko（ポコポコ）
poko-poko describes a series of small, hollow bubbling or popping sounds produced when air or gas rises repeatedly through liquid, or when a light, hollow object is tapped in a gentle, rhythmic way.
sube-sube（スベスベ）
sube-sube describes a smooth, even surface with no roughness or friction.
poko（ポコ）
poko describes a small bump, bulge, or protrusion that appears lightly and without force.
mochi-mochi（モチモチ）
mochi-mochi describes a soft, elastic, and pleasantly chewy texture.
poko-n（ポコン）
poko-n describes a light popping or plopping sound made by a small, firm object with gentle force.
piyo-piyo（ピヨピヨ）
piyo-piyo describes the high-pitched chirping sound made by small birds, especially chicks.
puni（プニ）
puni describes the small, soft deformation that occurs when something is gently pressed or poked.