::Base Characters
OSl $0141  ::bar-L
  Ol $0142  ::bar-l
OSn $014A :: Eng
OS9 $014A :: Eng
  On $014B :: eng
  O9 $014B :: eng
OSo $0152 :: OE
  Oo $0153  :: oe
  Oe $0259  :: schwa
OSe $025B :: epsilon
  O/ $0294  :: glottal stop
 Or $03C1  :: rho
  Ox $03C7 :: chi
O#0 $25CC :: dotted circle

::Combining diacritics
  ] $0300 ::grave
  [ $0301 ::acute
S[ $0302 ::circumflex
S` $0303 ::tilde
S; $0304 ::macron
  ` $0306 ::breve
 = $0307 ::dot above
 / $0308  ::dieresis
S\ $030B ::double acute
Oj $030B ::double acute
S] $030C ::caron
  \ $030F ::double grave
S. $0323 ::dot below
S, $0325 ::ring below
S= $0327 ::cedilla
 ; $0328   ::ogonek
S- $0331   ::macron below

::Spacing Modifer Letters
  ' $02BC ::modifier letter apostrophe
S' $02EE ::modifier letter double apostrophe