Thenghi's Reference Alphabet

Thenghi's Reference Alphabet is a Latin alphabet used in Dellisian, Davidvillian, Oichan, Jyutping, Zhuang, South Nengu and Remek languages/romanisations.

Dellisian
In 1950s, the Dellisian (a tonal language) alphabet contained 32 letters. The last 6 letters (Ƨ to Г) are used to mark tones 2 to 7. Note that four letters are borrowed from Greek (that is, Θ, Φ, Π and Ψ). In 1986, the alphabet was expanded: There are changes: B is replaced by P, G lost to letter Q, and some unusual letters introduced.

A new letter, Ꝏ, a OO ligature, was used to represent the 8th tone. This letter is the last letter of the modern Dellisian alphabet.

Davidvillian
The Davidvillian alphabet consisted of 33 letters: