using System;

using System.Collections.Generic;

using System.Linq;

​

namespace ConsoleApp

{

    class Program

    {

        static void Main(string[] args)

        {

            var w = new[] { "apparition", "bat", "bloodcurdling", "bloodsucker", "bloody", "bones", "boogeyman", "broomstick", "cadaver", "carved", "cauldron", "cemetery", "chainsaw", "cobweb", "coffin", "corpse", "crypt", "cursed", "decapitated", "decomposing", "demon", "dotdigital", "enchanted", "evil", "exorcism", "fangs", "ghost", "ghoulish", "goblin", "gory", "gravestone", "graveyard", "grim", "gruesome", "halloween", "happy", "haunted", "haunting", "howling", "incantation", "knife", "levitation", "lurking", "medium", "monsters", "mummified", "mummy", "occult", "orbs", "paranormal", "petrified", "phantom", "pitchfork", "poltergeist", "possessed", "reanimated", "ritual", "satanic", "scary", "screaming", "shadow", "shaking", "skeleton", "skull", "sorcery", "specter", "spell", "spider", "spirit", "spooked", "terrified", "terror", "toad", "trembling", "troll", "undead", "unearthly", "vampire", "werewolf", "witchcraft", "wizard", "wraith", "zombie" };

            var c = "crewzrusdiad";

​

            void C<T>(IEnumerable<T> val) => Console.WriteLine(string.Join(", ", val));

​

            int s = 6, p = 0;

            var g = c.OrderBy(_ => p++ % s).ToArray(); C(g);

            w = new[] { "cursed", "wizard" };

            var r = "";

            for (var v = (i: 0, o: 0, h: 0, t: "", l: 0); v.i < w.Length; )

            {

                for (; ; )

                {

                    if (v.o <= v.l && w[v.i][v.o] == g[v.h]) break;

                    v.t += g[v.h];

                    v.h++;

                    v.o++;

                }

​

                r = v.o == v.h ? v.t + " " : r;

                v.t = "";

                v.l = w[v.i++].Length;

                v.o = 0;

            }

​

            Console.WriteLine(r);

​

            bool D(string s) { Console.WriteLine(s); return true; };

​

            int abc = 0;

            for (D("init 1"); D("check 1"); D("inc 1"))

            {

                for (D("init 2"); D("check 2"); D("inc 2"))

                    if (abc++ > 5) break;

                if (abc++ > 10) break;

            }

        }

    }

}

​