用高降调说爸爸，表示“是爸爸”。
总计辅 音音位45 个。第四章：帮丙布朗语单字调共四种调，高平调 55、高降调 51、低升调 13 和低降调 31。
The fourth chapter: Bangbing-Bulang has altogether four kinds of single tones, which including 55 Indiscriminately allocates, 51high falling tone, 13low rising tones high and 31 the low falling tone.
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