package main

import (
	"encoding/json"
	"fmt"
)

type Response struct {
	Page  int      `json:"page"`
	Words []string `json:"words, omitempty"`
}

func main() {
	r := &Response{Page: 1, Words: []string{"Leena", "Sami", "Sara", "Zaki"}}

	j, _ := json.MarshalIndent(r, "", "   ")

	fmt.Println(string(j))
}