Who are the hostages Israel believes are still alive?

Top row from left, Gali Berman, Ziv Berman, Elkana Bohbot, Rom Braslavski, Nimrod Cohen, Ariel Cunio; second row from from left, David Cunio, Evyatar David, Guy Gilboa-Dalal, Maksym Harkin, Eitan Horn, Bipin Joshi; third row from left, Segev Kalfon, Bar Kupershtein, Matan Angrest, Omri Miran, Eitan Mor, Tamir Nimrodi: bottom row from left, Yosef-Chaim Ohana, Alon Ohel, Avinatan Or, Matan Zangauker. (Hostages and Missing Families Forum via AP, File)