Table:
0
A
B
C
D
E
1
Short vowels
17th-c.
American
British
Australian
2
a /æ/
ɐ
æ
æ
æ
3
ar /ɑr/
ɐr
ɑɹ
ɑː
aː
4
e /ɛ/
ɛ
ɛ
ɛ
e
5
æ /ɛ/
ɛ
ɛ
ɛ
e
6
œ /ɛ/
ɛ
ɛ
ɛ
e
7
er /ɜr/
ɛr
ɝ
ɜː
ɜː
8
i /ɪ/
ɪ
ɪ
ɪ
ɪ
9
y /ɪ/
ɪ
ɪ
ɪ
ɪ
10
ir /ɜr/
ɪr
ɚ
ɜː
ɜː
11
yr /ɜr/
ɪr
ɚ
ɜː
ɜː
12
w-colored a /ɒ/
ɔ
ɑ̹
ɒ
wɔ
13
o /ɒ/
ɔ
ɑ̹
ɒ
wɔ
14
w-colored ar /ɔr/
ɔr
ɔ̹ɹ
ɔː
ɔː
15
or /ɔr/
ɔr
ɔ̹ɹ
ɔː
ɔː

Questions and formulas:
Question: What Australian sound is equivalent to e /ɛ/?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="e /ɛ/"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E15,A2:A15="e /ɛ/"),5))
Level: medium