-ZS # ZWSP; capitals like other Cc
-ZN # ZWNJ; less obvious alt: 'Z
-ZW # ZWJ; ZJ somewhy used for tsadi; less obvious alt: "Z
-LR # LRM
-RL # RLM; keep rl for ɼ
+ZS \8203 # ZWSP; capitals like other Cc
+ZN \8204 # ZWNJ; less obvious alt: 'Z
+ZW \8205 # ZWJ; ZJ somewhy used for tsadi; less obvious alt: "Z
+LR \8206 # LRM
+RL \8207 # RLM; keep rl for ɼ