FE20
︠
Combining Ligature Left Half
FE21
︡
Combining Ligature Right Half
FE22
︢
Combining Double Tilde Left Half
FE23
︣
Combining Double Tilde Right Half
FE24
︤
Combining Macron Left Half
FE25
︥
Combining Macron Right Half
FE26
︦
Combining Conjoining Macron