49. What are they?

Ce in ocean; ci in social; si in mansion; ti in motion; ch in chaise; and s in sugar.

50. How many Substitutes has Zh?

Four.

51. What are they?

Si in fusion; zi in brazier; z in azure; and s in rasure.

52. How many substitutes has Ng?

One.

53. What is it?

N generally before palate sounds; as, conquer, etc.