/(r)iuˇ peu/, /-{-{yóupiào}-}-/, /(j)i̯u¹¹ pʰeu̯⁵⁵/, /iu²⁴⁻⁵⁵ (pʰ-)βieu⁴²/, /iu³⁵ pʰiɛu²¹³/, /iu¹³⁻⁵⁵ (pʰ-)ieu⁴²/, /i̯u²³⁻³³ pʰi̯ɤ²¹/, /i̯u²⁴⁻²² pʰi̯o²¹/, /i̯u²⁴⁻²² pʰi̯o⁴¹/, /i̯u²⁴⁻¹¹ pʰi̯o¹¹/, /i̯u¹³⁻²² pʰi̯o²¹/, /i̯u¹¹ pʰeu̯²⁴/, /jɐu̯²¹ pʰiːu̯³³/, /ɦiɤ²² pʰiɔ⁴⁴/, /ʒiu⁵⁵ pʰiau¹¹/, /iuˇ peuˊ/, /jau4 piu3/, /jau4 piu3/, /rhiu piauˇ/, /yeo4 piu3/, /youpiaw/, /yóupiào/、/ㄧㄡˊ ㄆㄧㄠˋ/
(可數) 郵政機關發行，供寄遞郵件貼用的郵資憑證

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