To practice how to say each syllable in the Pinyin syllabary, go to this Meet Mandarin site.
The following are stories that help you get your mind (and mouth) around Pinyin.
• Ai ai ai
• Ao ao ao
• Ei ei ei
• Ui ui ui
• Ji qi xi
• Zi ci si
• Wo -uo
• -ü -ü -ü
• Congcong