For Ahyan please see: Ahyan
Shiham is an Arabic and Farsi name for boys that means sharp-minded, intelligent, decisive. It is not a Quranic word but since the meaning is good it is acceptable to use it. It is pronounced as (SH)ape + s(I)mple + (HA)rness + (M)uslim
Shabaz is a Farsi and Urdu name for boys that refers to a type of eagle, the Eastern Imperial Eagle. It is short for Shah baz, Shah means king and baz means eagle, so the literal meaning is "King of the Eagles" or "the King's Eagle". You can pronounce it either with an "h" as in Shahbaz or without it, like Shabaz. It is not a Quranic or Arabic word, but since the meaning is good Muslims can use it. It is pronounced as (SH)ape + sm(A)rt + (B)eauty + sm(A)rt + (Z)oom.
For Taseen please see: Taseen
For Wildan please see: Wildan