xshathrôi
xshathrya
xshathryô
xshayamna
xshayamnem
xshayamnô
xshayãs
xshi
xshmâvañt
xshmâvatô
xshnaoma
xshnaothra
xshnaothrâica
xshnâvayeiti
xshnu
xshnûmaine
xshnûman
xshnûta
xshnûtå
xshnûtô
xshôithnî
xshôithnîm
xshtûm
xshtva
xshtvô
xshudra
xshudrå
xshvash
xshvashti
xshvashtîm
xši-
xšī
xšnā
xšnav
xsnu
xštva
xšudra-
xšvaš
xšvašdasa
xšvid-
xšvīd-
xšviwra-
xumba-
xvašti
xwa
xwaena
xwaetāt
xʷaēða-
xʷafna-
xʷaini-
Old Avestan