bura-bura（ブラブラ）
bura-bura describes a loose, dangling, or swinging motion, often repeated and unhurried.
be-ttori（ベットリ）
be-ttori describes a heavy, thick, and strongly adhesive state in which a substance clings firmly to a surface or spreads in a dense layer.
biri（ビリ）
1. Electric snap
bachi-bachi（バチバチ）
bachi-bachi describes sharp, crackling, or snapping sounds produced by small bursts of energy or impact.
bishi-bashi（ビシバシ）
bishi-bashi describes repeated, forceful actions performed with strong intensity.
bata-n（バタン）
bata-n describes a loud, forceful sound produced when something closes, falls, or hits a surface with impact.
byun（ビュン）
byun describes a very fast, forceful motion that cuts through the air with strong momentum.
byuu-byuu（ビュービュー）
byuu-byuu describes the continuous sound of strong wind blowing.
basa（バサ）
basa describes a dry, broad sound produced when a *bundle* or *mass* of lightweight material moves or spreads out in a single motion.
ban（バン）
ban describes a sharp, loud, and sudden impact sound.