8 =N ₦ #XXX =n for consistency?
17 3: … # opposite of ⋮ (more logical would be to swap with .3 ⋯)
21 .1 ․ # obvious location, even though ‥ and … are at inconsistent .. and 3:
23 <3 ♥ # easy alias to trigraph cH-
24 :) ☺ # easy alias to 0u
29 # obvious line drawing gaps
33 dd ╷ # goddamn! stupid arabic dad got there first
42 2- ╌ # exactly like to 3 and 4
46 BF ╳ # FD and BD combined; FB already in use
50 HW Ƕ # HV conflicts with vh line drawing
54 # old/middle english (uncommon)
55 #WY Ƿ # replaced by UU, later W
58 #Gy ȝ # do not use yy to keep y column clear
60 eS Ʃ # ES already in use
61 es ʃ # can't use sh; s1 would be another option
65 !C ǀ # corresponding zulu letter
66 !Q ǃ # idem; !. would be much more intuitive (previously ʗ)
67 !X ǁ # idem; or !/ (previously ʖ)
68 !A ǂ # Alveolar; !- looks alike, != even more so but already occupied
71 # expected but missing
74 #A0 Ǻ # normal A-ring already provided by AA
85 #ac ℀ # prefer common A-smallCap
87 cu ℆ # co ís present though
91 a" ǟ # a1 # long umlauted, very similar to double acute
93 jo ё # io # consistent with ja/ju
109 l- ƚ # not really a macron, but wouldn't really make sense anyway otherwise
121 # middle tilde #XXX: not tilde above
126 ##n? ᵰ # already a tilde above
134 # not used all that much, better leave x) free
141 #I) Ȋ # )I exists, but should not confuse
151 # usage is similar to inverted breve, just as rare
174 #D2 Ɗ # in use by control char
181 f2 ƒ # looks like a cedilla
192 #P2 Ƥ # in use by control char
207 Y; Ƴ # not a hook below, but Y2 hook above is already present
209 Z2 Ȥ # looks like a cedilla
213 # curls (9 is mostly free because horns are so rare)
216 j9 ʝ # crossed-tail actually
226 #2/ ƻ # rarely used, and double dash is far more logical
234 # turned/inverted (trailing I is uncommon for lowercase, and already used thusly for !I, ?I and NI)
237 #EI Ǝ # would be confusing, as it's not uppercase schwa eI
238 eI ə # schwa, not turned E (latter is very uncommon)
247 #nI ᴎ # reversed capital N, but NI already in use
249 #RI ᴚ # conflicts with RI control char
257 oE ɶ # Oe also available, but E looks capital
259 Ap ɒ #XXX Ao? (AO in use)
272 Op ɤ #XXX oy would look alike
276 #lp ɬ #XXX: lb for 'belt'
286 mL ɰ # like rL (XXX mp?)
288 # small caps (also possible at *s)
297 # more from phonetics extensions
313 # ipa releases (ⁿ already present as nS)
319 # note: common meaning
321 " Double acute accent
344 % Greek/Cyrillic special
345 + smalls: Arabic, capitals: Hebrew
346 3 some Latin/Greek/Cyrillic letters
351 # hangeul consonants at *J
373 # hangeul vowels at *J
392 # hangeul iotized vowels at *K
400 # under development or temporary
403 $PR ► # current PR should be TR
404 $PL ◄ # current PL should be TL
405 $'> ˆ # where to put ^?
406 $'? ˜ # where to put ~?
408 $?" ΅ # tonos+dialytika
425 $,i ͺ # spacing iota subscript
435 # rfc (incorrectly?) maps double to heavy