I with ogonek is a letter of the Latin alphabet formed by addition of the ogonek to the letter I. It is used in Lithuanian, Western Apache, Chipewyan, Mescalero-Chiricahua, Muscogee, Dadibi, Dalecarlian, Gwichʼin, Hän, Iñapari, Kaska, Navajo, Sierra Otomi, Sekani, Tagish, Tlingit, Tutchone, Winnebago, and Ixtlán Zapotec. Wikipedia