** ⁑ #XXX: useful?
3* ⁂ #XXX: useful?
+# obvious line drawing gaps
+ll ╴
+rr ╶
+uu ╵
+dd ╷ # goddamn! stupid arabic dad got there first
+LL ╸
+RR ╺
+UU ╹
+DD ╻
+Hh ╾
+hH ╼
+Vv ╿
+vV ╽
+2- ╌ # exactly like to 3 and 4
+2_ ╍
+2! ╎
+2/ ╏
+BF ╳ # FD and BD combined; FB already in use
+
# additional letters
sl ſ
HW Ƕ # HV conflicts with vh line drawing
#Z9 ʓ
# tone letters
-2/ ƻ
+#2/ ƻ # rarely used, and double dash is far more logical
%2 Ƨ
2% ƨ
%6 Ƅ