SYMBOL FOR NEGATIVE ACKNOWLEDGE
SYMBOL FOR NULL
SYMBOL FOR START OF TEXT
SYMBOL FOR END OF TRANSMISSION
SYMBOL FOR HORIZONTAL TABULATION
SYMBOL FOR SHIFT OUT
SYMBOL FOR DEVICE CONTROL TWO
SYMBOL FOR END OF TRANSMISSION BLOCK
SYMBOL FOR FILE SEPARATOR
SYMBOL FOR GROUP SEPARATOR
SYMBOL FOR SPACE
OPEN BOX
SYMBOL FOR NEWLINE
SYMBOL FOR DELETE FORM TWO