natcls_guessing_19.jpg
This image displays a hand-drawn diagram on a white background that categorizes vowel sounds using International Phonetic Alphabet (IPA) symbols. The diagram uses black outlines to group specific symbols and red arrows with text labels to define those groups.

At the top of the diagram, there is a long, horizontal, irregular shape enclosing four symbols: "i", "y", a symbol resembling an inverted "r" with a ring above it (likely representing the close central rounded vowel), and "u". A red arrow points from the right towards this group, labeled with the text "high vowels".

Below the top row on the far left, there are three symbols arranged somewhat diagonally: "e", "ø" (o with a stroke), and "œ" (oe ligature). These are connected by a long, thin, wavy black line. To the left of this group is the symbol "æ" (ash) floating separately. Near the "œ" symbol, there is a question mark "?" with a red arrow pointing from it towards the "œ".

In the center-bottom area, there is a vertical oval shape enclosing two symbols: an upside-down "v" or lambda ("Λ") on top and the letter "a" below it. A red arrow points from the bottom right text up towards this oval. The label reads "non-high back unrounded vowels".

On the far right side, positioned below the top row but separate from the others, is a vertical rectangular box containing two symbols: "o" on top and "ɔ" (open-o) below it. A red arrow points from the text to its left towards this box. The label reads "mid back rounded vowels".
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