Dear brother, Under Islamic Law, the primary beneficiaries of a deceased person are his/her IMMEDIATE Heirs. ie; Spouse(s) Children, Parents and Grandchildren (if children are deceased only).
The Grandchildren that are entitled are only the Son’s Son or the Son’s Daughter. Daughters children are not entitled even if the Daughter is deceased.
In the absence of some or all of these heirs the secondary beneficiaries become Heirs under various conditions. In the absence of a particular Heir (eg; Uncle) if and when he/she is entitled the children of that Heir become eligible.
As you have no sons, the primary beneficiaries become your wife and your daughters. (You do not mention parents.)
I know that your daughters should get 2/3rds of the estate (to be shared equally between all of them) and your wife gets 1/8th.
As for the rest, I am not sure as it becomes somewhat confusing with the schedule of division (for me at least!).
To be completely sure, it is best to consult a knowledgable person on Islamic Laws of Inheritance. You could send your question to islamhelpline.com as they seem to be able to answer such questions in simple terms and clearly.
May Allah Subhanahu Wa Ta'ala guide you in achieving full adherence to His instructions. Salaam