1 # common meaning of second character
17 ; Ogonek (+Retroflex Hook/Tail)
29 % Greek/Cyrillic special
30 + lc: Arabic, uc: Hebrew
31 3 some Latin/Greek/Cyrillic letters
33 5 Hiragana (also lc + a/e/i/o/u)
34 6 Katakana (also uc + a/e/i/o/u)
35 J + Korean Jamo (also K)
38 # common first character
46 #Eu € # in zsh and vim
50 =P ₱ # conflicts with vim alternative for =R
58 3: … # opposite of ⋮ (more logical would be to swap with .3 ⋯)
66 +0 ⊕ # 0+ already in use
69 0* ⊛ #XXX alternatively ⍟
71 0% ⦼ # no circled percent, but close
75 0! ⦶ # no circled exclamation mark
76 .1 ․ # obvious location, even though ‥ and … are at inconsistent .. and 3:
78 !? ⸘ # now we have everything
79 <3 ♥ # easy alias to trigraph cH-
80 :) ☺ # easy alias to 0u
85 # obvious line drawing gaps
89 dD ╷ # goddamn! stupid arabic dad got there first
98 2- ╌ # exactly like to 3 and 4
102 BF ╳ # FD and BD combined; FB already in use
106 HW Ƕ # HV conflicts with vh line drawing
110 # old/middle english (uncommon)
111 WY Ƿ # replaced by UU, later W
116 S1 Ʃ # can't use SH or ES
117 s1 ʃ # can't use sh; keep es for subscript
121 !C ǀ # corresponding zulu letter
122 !Q ǃ # idem; !. for lookalike (previously ʗ)
123 !X ǁ # idem; !/ for lookalike (previously ʖ)
124 !A ǂ # Alveolar; !- looks alike, != even more so but already occupied
126 !R ‼ # Retroflex (or Repeated); !! looks alike but occupied
130 #es ₑ #TODO: move esh
143 #ts ₜ # both ts and Ts in use for Ћ
148 # superscripts (modifier letters)
149 AS ᵃ # alef was first for aS
154 #fS ᶠ # both fS and FS in use
162 #nS ⁿ # already present
175 # capital superscripts; avoid as most *S are in use
196 # expected but missing
199 #A0 Ǻ # normal A-ring already provided by AA
210 'i ͺ # spacing iota subscript (like "i for combining)
213 Ac ℀ # prefer common A-smallcap for ac
214 As ℁ # prefer common a-subscript for as
215 cu ℆ # co ís present though
223 a" ǟ # a1 # long umlauted, very similar to double acute
225 jo ё # io # consistent with ja/ju
229 Z1 Ʒ # ED # doesn't make sense, put it with S1
230 z1 ʒ # ed # not in vim
249 l- ƚ # not really a macron, but wouldn't really make sense anyway otherwise
261 # middle tilde #XXX: not tilde above
266 ##n? ᵰ # already a tilde above
274 # not used all that much, better leave x) free
281 #I) Ȋ # )I exists, but should not confuse
291 # usage is similar to inverted breve, just as rare
314 #D2 Ɗ # in use by control char
321 f2 ƒ # looks like a cedilla
332 #P2 Ƥ # in use by control char
349 Y; Ƴ # not a hook below, but Y2 hook above is already present
351 Z2 Ȥ # looks like a cedilla
355 # curls (9 is mostly free because horns are so rare)
358 j9 ʝ # crossed-tail actually
368 #2/ ƻ # rarely used, and double dash is far more logical
376 # turned/inverted (trailing I is uncommon for lowercase, and already used thusly for !I, ?I and NI)
380 #EI Ǝ # would be confusing, as it's not uppercase schwa eI
381 eI ə # schwa, not turned E (latter is very uncommon)
393 #nI ᴎ # reversed capital N, but NI already in use
395 #RI ᴚ # conflicts with RI control char
404 oE ɶ # Oe also available, but E looks capital
406 Ap ɒ #XXX Ao? (AO in use)
419 Op ɤ #XXX oy would look alike
423 #lp ɬ #XXX: lb for 'belt'
433 mL ɰ # like rL (XXX mp?)
435 # small caps (also possible at *s)
444 # more from phonetics extensions
456 sC ꜱ # sc/Sc/SC in use
462 # hangeul jamo consonants at *J
484 # hangeul jamo vowels at *J
503 # hangeul jamo iotized vowels at *K (for Korean)
510 # common formatting control
511 ZS # ZWSP; capitals like other Cc
512 ZN # ZWNJ; less obvious alt: 'Z
513 ZW # ZWJ; ZJ somewhy used for tsadi; less obvious alt: "Z
515 RL # RLM; keep rl for ɼ
518 # under development or temporary
521 $PR ► # current PR should be TR
522 $PL ◄ # current PL should be TL
523 $'> ˆ # where to put ^?
524 $'? ˜ # where to put ~?
526 $?" ΅ # tonos+dialytika
549 # rfc (incorrectly?) maps double to heavy