1" " 2"#" 3"$" 4"$CHAR" 5"%LET" 6"(" 7")" 8"*/" 9"/*" 10";" 11"@" 12"ATTRIB" 13"CLEAR" 14"CONTENTS" 15"DATA" 16"DATE" 17"FILENAME" 18"FOOTNOTE" 19"FORMAT" 20"IF" 21"INFILE" 22"INPUT" 23"INVALUE" 24"LABEL" 25"LENGTH" 26"LIBNAME" 27"LIST" 28"MISSING" 29"OPTIONS" 30"OTHER" 31"PRINT" 32"PROC" 33"RUN" 34"VALUE" 35"_ALL_" 36"dlm" 37"firstobs" 38