[[OIcel phonology]]
# OIcel vowel system

## Main vowel system

Due to the affects of various umlaute, the OIcel main vowel system developed into

|       | front.unrounded                                           | front.rounded                                             | back.unrounded                                            | back.rounded                                               |
| ----- | --------------------------------------------------------- | --------------------------------------------------------- | --------------------------------------------------------- | ---------------------------------------------------------- |
| open  | <span class="broad">i</span> <span class="broad">í</span> | <span class="broad">y</span> <span class="broad">ý</span> |                                                           | <span class="broad">u</span> <span class="broad">ú</span>  |
| mid   | <span class="broad">e</span> <span class="broad">é</span> | <span class="broad">ø</span> <span class="broad">ǿ</span> |                                                           | <span class="broad">o</span> <span class="broad">ó</span>  |
| close | <span class="broad">æ</span> <span class="broad">ǽ</span> |                                                           | <span class="broad">a</span> <span class="broad">á</span> | <span class="broad">ǫ</span> <span class="broad">ǫ́</span> |

## Weak

  The weak system only consisted of three vowels 

|       | front                        | central                      | back                         |
| ----- | ---------------------------- | ---------------------------- | ---------------------------- |
| open  | <span class="broad">i</span> |                              | <span class="broad">u</span> |
| close |                              | <span class="broad">a</span> |                              |

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