What are the properties included in the inheritance?

Question: When our father passed away, he left 6 bungalows, a deposit of 6,000 yuan, a color TV, a bicycle, 4,000 rural cooperative fund shares, 60 acres of contracted forest land, and insurance companies to pay. The insurance amount is 26,000 yuan (no beneficiary is designated). We three brothers wanted to divide our father's inheritance, but we disagreed with our mother. My mother said that some things cannot be counted as inheritance and should belong to her. Question: What exactly is our father’s legacy?

Article 3 of the "Inheritance Law" stipulates: "Inheritance is the legal personal property left by a citizen when he dies, including: ① the citizen's income; ② the citizen's house, savings and daily necessities; ③ the citizen's woods, Livestock and poultry; ④ citizens’ cultural relics and books and materials; ⑤ means of production permitted by law to be owned by citizens; ⑥ citizens’ property rights in copyrights and patents; ⑦ other legal property of citizens. “Article 63 of the Insurance Law stipulates:” After the death of the insured, if there is no beneficiary designated, the insurance money shall be regarded as the inheritance of the insured. "Article 3 of the Supreme People's Court's "Opinions on Several Issues Concerning the Implementation of the Inheritance Law" stipulates: "Citizens may inherit other legal assets. Property includes securities and claims whose subject matter is property, etc. "Article 26 of the "Inheritance Law" also stipulates: Unless otherwise agreed, if the inheritance is divided among the joint property acquired by the husband and wife during the marriage, the inheritance shall be divided first. Half of the property owned by *** will be divided into the possession of the spouse, and the rest will be the inheritance of the deceased. Based on the above-mentioned legal regulations: when dividing your father's property, you should first divide half of your father's and your mother's property to your mother. The main items include: 3 bungalows, a deposit of 3,000 yuan, 2,000 rural cooperative fund shares, 30 acres of contracted forest land, and property equivalent to half the value of color TVs and bicycles. The inheritance that truly belongs to your father and can be inherited by your three brothers and your mother is: ① 3 bungalows; ② deposit of 3,000 yuan; ③ 2,000 shares of cooperative fund; ④ 30 acres of contracted forest land; ⑤ equivalent to color TVs and bicycles Half of the value of the inheritance; ⑥ Insurance premium paid by the insurance company is 26,000 yuan.