tsuru-tsuru（ツルツル）
tsuru-tsuru describes a smooth, slippery, polished surface or motion, typically used when something glides easily without friction.
tokun（トクン）
tokun describes a single, faint heartbeat or pulse occurring in one gentle moment.
ton-ton（トントン）
1. Light tapping or knocking sound
teka-teka（テカテカ）
teka-teka describes a shiny, glossy, or reflective surface.
tsuya-tsuya（ツヤツヤ）
tsuya-tsuya describes a smooth, glossy, and well‑moisturized surface.
toro-ri（トロリ）
toro-ri describes a thick, cohesive substance that stretches or drips in a single, heavy stream.
toro（トロ）
toro describes the moment when a soft or semi-melted substance begins to loosen and move.
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.