Samsung PCS VISION MM-A800 User Manual page 258

Other Abbreviations
VoiceMode supports dictation of a large number of
abbreviations common to text messaging, for example
LOL, TTYL, BTW, IMHO, and so on. In general, you can
enter abbreviations by saying the unabbreviated phrase
("laughing out loud") or the abbreviation ("ell-oh-ell").
244 Section 3A: Sprint PCS Service Features: The Basics
VoiceMode Punctuation Characters
@
^
_
`
~
at-sign
caret
underscore
back-quote
tilde