Last names
said to be same
Cuki, Kunichiku, Tochiku, Totsugi, Totsuki, Tozuki, Tsuduki, Tsujiku, Tsuki, Tsukushi, Tsutsugi, Tsutsui, Tsutsuki, Tsuzuki, Tsuzuku, Tsuzura, Tuduki, Tuduku, Tudura, Tuguchi, Tuguti, Tuki, Tukidi, Tukiji, Tukushi, Tukusi, Tutui, Tutuki, Tuzuki, Tuzura, Цуцуи, and ツグチ