U+005F
LOW LINE
U+203F
UNDERTIE
U+2040
CHARACTER TIE
U+2054
INVERTED UNDERTIE
U+FE33
PRESENTATION FORM FOR VERTICAL LOW LINE
U+FE34
PRESENTATION FORM FOR VERTICAL WAVY LOW LINE
U+FE4D
DASHED LOW LINE
U+FE4E
CENTRELINE LOW LINE
U+FE4F
WAVY LOW LINE
U+FF3F
FULLWIDTH LOW LINE