1) Bits of salt 2) Dot companions 3) Five of them represent a zero 4) Frustrates 5) Hurries away 6) Morse code bits 7) Morse code elements 8) Morse morsels 9) Pair in a Morse M 10) Pause indicators 11) Runs 12) Rushes 13) Rushes headlong 14) Scurries 15) Short races 16) Short sprints 17) Some human races 1) Blanks 2) Races 3) Sprints 
The shortest and swiftest running events.
often used for the same purpose as brackets (parenthesis). One dash may be used to indicate a pause in thinking before speech.