xa'a UI1b experimental cmavo

naturalistic interjection: laughter

Differs from u'i in that this is meant to be a typographical representation of actual laughter. Additional -'a syllables may be added as desired. See bu'a'a, cmila, ki'ai

On affix form:

xatra
x1 is a letter/missive/[note] to intended audience x2 from author/originator x3 with content x4.

In notes:

bu'a'a
naturalistic interjection: used to express a fit of overwhelming or uncontrollable laughter; the stereotypical 'evil laugh'
e'e'e
naturalistic interjection: shy giggle
xa'a'a
naturalistic interjection: laughter