Voice Dictation provides the following built in commands. More commands may be available, depending upon the language.
"Capitalize". Capitalizes the next word.
"Capitalize-That". Capitalizes the previous word.
"Choose-one" through "Choose-ten". If the correction window is visible this replaces the last word with the Nth entry in the list.
"Cross-Out". Deletes the previous word.
"Go-Back-<1..9>". Moves the cursor back one through nine words.
"Go-Forward-<1..9>". Moves the cursor forward one through nine words.
"Go-To-The-End". Moves the cursor to the end of the document.
"Hide-Window". Hides the correction window.
"Show-Window". Shows the correction window.
"Stop-Dictating". Stops dictation and turns on speech recognition. Start Dictating will be supplied by Voice Commands.
"Today's-date". Type in today's date.