00:00Great
00:03Great
00:08Great
00:12Great
00:17Great
00:21Great
00:30Great
00:35Great
00:40Great
00:44Great
00:49Great
00:53Great
00:58Great
01:02Great
01:07Is the sound of the letter X?
01:14Yes
01:14Great
01:18Great
01:23Great
01:28Great
01:33Great
01:37Great
01:42Great
01:47Great
01:52Great
01:57Great
02:01Great
02:06Great
02:11Great
02:16Great
02:20Is the sound of the letter X?
02:24Yes
