45. _How many sounds has X?_
None of its own, as it is a redundant letter.

46. _How many sounds has Z?_
One; as heard in the word ooze.

47. _How many sounds has Th?_
Two; as heard in the words thigh and the.

48. _How many sounds has Ch?_
One; as heard in the word church.

49. _How many sounds has Sh?_
One; as heard in the word ash.

50. _How many sounds has Zh?_
One obscurely; represented by _si_ in such words as fusion, _zi_
in glazier.

51. _How many sounds has Wh?_
One; as heard in the word what.

52. _How many sounds has Ng?_
One; as heard in the word sing.

53. _What are regular sounds?_
The long sounds of the letters.