display phonetic symbols for documentation

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æ2301
ð240H
ø2480
ŋ331N
ǝ477C
ɔ5968
ɚ6026
ɛ603E
ɜ6043
ɝ6059
ɪ618I
ʃ643F
ʊ650U
ʌ6527
ʒ658Z
ʡ673?
7789T
8592<
θ952O
9552=
χ967X