Using the initial options, name each family member. The 3rd letter can be a surname or a second middle. The 3rd is also optional if you wish to only use a first and middle.
Parent: R H S ..or.. T H A
Parent: T F M ..or.. L C H
Daughter: F H M ..or.. C H T
Son: B N T ..or.. D Q E
Daughter: I L E ..or.. A N I
Daughter: H G A ..or.. N O E
Son: S L I ..or.. L S I
Daughter: P D O ..or.. P H E
Son: J I A ..or.. J P E
Daughter: Z E N ..or.. V A O