Words with Letters: i n s i s t s insists 7:0insist 6:1intis 5:2snits 5:3inti 4:4nisi 4:5nits 4:6sins 4:7sits 4:8snit 4:9tins 4:10ins 3:11 its 3:12nit 3:13sin 3:14sis 3:15sit 3:16tin 3:17tis 3:18in 2:19is 2:20it 2:21si 2:22ti 2:23