Answer
Yes these are appropiate names.
Zahraa is with a Zaa (the letter after raa) with an alif followed by a hamza
at the end.
Tabassum is with a taa, followed by a baa, then seen, then meem.
Ali is with an Ain, then laam, then yaa
Zubair is with a Zaa, then baa (with fatha on it), then yaa, then raa
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai