X&Y

Unix. <span class="searchmatch">X</span> with diacritics: <span class="searchmatch">Ẍ</span> <span class="searchmatch">ẍ</span> <span class="searchmatch">Ẋ</span> <span class="searchmatch">ẋ</span> <span class="searchmatch">X̂</span> <span class="searchmatch">x̂</span> <span class="searchmatch">ᶍ</span> IPA-specific symbols related to <span class="searchmatch">X</span>: χ Teuthonista phonetic transcription-specific symbols related to <span class="searchmatch">X</span>: U+AB56