Based on the Latin alphabet, consists of:

• 7 vowels: a e i o u w y
• 22 consonants: b c ch d dd f ff g ng h j l ll m n p ph r rh t th

Dictionary order: a b c ch d dd e f  ff g ng h i j l ll m n o p ph r rh s t th u w y

Note that the digraphs (ch,dd etc.) are individual letters and have their own entries in dictionaries.

(Racaille seems to have totally missed Rh)