東京特許許可局 (Tōkyō tokkyo kyokakyoku)

More tongue twisters — Fiendish

• Si six scies scient six cyprès, six cents scies scient six cents cyprès. An 's' / 'si' minefield.
• 隣の客はよく柿食う客だ (Tonari no kyaku wa yoku kaki kuu kyaku da) A tricky spiral on ka/ki/ku that accelerates as you try to keep the syllables distinct.
• Erre con erre cigarro, erre con erre barril; rápido ruedan los carros sobre los rieles del ferrocarril. The definitive Spanish rr drill — unrelenting double-r from start to finish.
• Parangaricutirimícuaro Not a sentence but a single word — a legendary 22-letter pronunciation challenge from a r…
• Didon dîna, dit-on, du dos d'un dodu dindon dont le dodu dos dodine. A 'd' / 'din' / 'dod' avalanche that seems designed to jam the tongue in third gear.
• Hinter Hermann Hannes Haus hängen hundert Hemden raus. A relentless 'h' aspirate drill — every word opens with the same breathy attack.