The Hrê Alphabet

There are 42 letters:

a à â b 'b c d đ e è ê f g h I ì j k l m 'm n 'n o ò ô ŏ p q r 'r s t u ù v w 'w x y 'y z

The Hrê-to-English part of the dictionary is arranged alphabetically according to the above order.