+!Q ǃ # idem; !. for lookalike (previously ʗ)
+!X ǁ # idem; !/ for lookalike (previously ʖ)
+!A ǂ # Alveolar; !- looks alike, != even more so but already occupied
+!B ʘ # Bilabial
+!R ‼ # Retroflex (or Repeated); !! looks alike but occupied
+
+# subscripts
+as ₐ
+#es ₑ #TODO: move esh
+@s ₔ
+hs ₕ
+is ᵢ
+js ⱼ
+ks ₖ
+ls ₗ
+ms ₘ
+ns ₙ
+os ₒ
+ps ₚ
+rs ᵣ
+Ss ₛ # ss is ß
+#ts ₜ # both ts and Ts in use for Ћ
+us ᵤ
+vs ᵥ
+xs ₓ
+
+# superscripts (modifier letters)
+AS ᵃ # alef was first for aS
+bS ᵇ
+CS ᶜ # cS is ♠
+dS ᵈ
+eS ᵉ
+#fS ᶠ # both fS and FS in use
+gS ᵍ
+hS ʰ # ipa release
+iS ⁱ
+jS ʲ # ipa release
+kS ᵏ
+lS ˡ # ipa release
+mS ᵐ
+#nS ⁿ # already present
+oS ᵒ
+pS ᵖ
+rS ʳ
+sS ˢ
+tS ᵗ
+uS ᵘ
+vS ᵛ
+wS ʷ # ipa release
+xS ˣ
+yS ʸ
+zS ᶻ
+
+# capital superscripts; avoid as most *S are in use
+#AS ᴬ
+##BS ᴮ
+##DS ᴰ
+##ES ᴱ
+##GS ᴳ
+##HS ᴴ
+##IS ᴵ
+#JS ᴶ
+#KS ᴷ
+#LS ᴸ
+#MS ᴹ
+##NS ᴺ
+##OS ᴼ
+#PS ᴾ
+##RS ᴿ
+##TS ᵀ
+##US ᵁ
+##VS ⱽ
+#WS ᵂ