19 <3 ♥ # easy alias to trigraph cH-
20 :) ☺ # easy alias to 0u
26 HW Ƕ # HV conflicts with vh line drawing
30 # old/middle english (uncommon)
31 #WY Ƿ # replaced by UU, later W
34 #Gy ȝ # do not use yy to keep y column clear
36 Es Ʃ # ES already in use
37 es ʃ # can't use sh; s1 would be another option
41 !c ǀ # corresponding zulu letter
42 !q ǃ # idem; !. would be much more intuitive (previously ʗ)
43 !x ǁ # idem; or !/ (previously ʖ)
47 # expected but missing
50 #A0 Ǻ # normal A-ring already provided by AA
63 cu ℆ # co ís present though
76 l- ƚ # not really a macron, but wouldn't really make sense anyway otherwise
88 # middle tilde #XXX: not tilde above
93 ##n? ᵰ # already a tilde above
101 # not used all that much, better leave x) free
108 #I) Ȋ # )I exists, but should not confuse
118 # usage is similar to inverted breve, just as rare
141 #D2 Ɗ # in use by control char
148 f2 ƒ # looks like a cedilla
159 #P2 Ƥ # in use by control char
174 Y; Ƴ # not a hook below, but Y2 hook above is already present
176 Z2 Ȥ # looks like a cedilla
180 # curls (9 is mostly free because horns are so rare)
183 j9 ʝ # crossed-tail actually
201 # turned/inverted (trailing I is uncommon for lowercase, and already used thusly for !I, ?I and NI)
204 #EI Ǝ # would be confusing, as it's not uppercase schwa eI
205 eI ə # schwa, not turned E (latter is very uncommon)
214 #nI ᴎ # reversed capital N, but NI already in use
216 #RI ᴚ # conflicts with RI control char
239 #lp ɬ #XXX: lb for 'belt'
249 mp ɰ #XXX: mL like rL
251 # small caps (also possible at *s)
261 # ipa releases (ⁿ already present as nS)
267 # note: common meaning
269 " Double acute accent
292 % Greek/Cyrillic special
293 + smalls: Arabic, capitals: Hebrew
294 3 some Latin/Greek/Cyrillic letters
299 # hangeul consonants at *J
321 # hangeul vowels at *J
340 # hangeul iotized vowels at *K