val Collection<String>.palindromes: List<String>
    get() {
        val list = mutableListOf<String>()
        for (name in this) {
            val splitName = name.split(" ")
            for (part in splitName) {
                if (part.isPalindrome()) {
                    list.add(name)
                }
            }
        }
        return list
    }

var MutableCollection<String>.palindromes: List<String>
    @JvmName("prop2")
    get() {
        val list = mutableListOf<String>()
        for (name in this) {
            val splitName = name.split(" ")
            for (part in splitName) {
                if (part.isPalindrome()) {
                    list.add(name)
                }
            }
        }
        return list
    }
    set(list: List<String>) {
        this.addAll(list.palindromes)
    }