Pinyin "zi5"
In MandarinBanana's mnemonic system, the Pinyin syllable "zi5" is split up into two parts: "z" and "Ø5". You can visit the Pinyin index to see how other Pinyin syllables are split up into initials and finals.
Mnemonics for Pinyin initial "z"
Z is for Zorro.
Mnemonics for Pinyin final "Ø5"
On the space station's roof.