What is wrong with this code... it does exactly what the description says and I can't find my error. Could somebody take a look and help me a bit?

using System;
using System.Collections.Generic;
using System.Text;

namespace _1002.Phone_numbers
{
    class Program
    {
        static void Main(string[] args)
        {
            List<char>[] dictionary = new List<char>[10];

            (dictionary[0] = new List<char>()).AddRange(new char[] { 'o', 'q', 'z' });
            (dictionary[1] = new List<char>()).AddRange(new char[] { 'i', 'j' });
            (dictionary[2] = new List<char>()).AddRange(new char[] { 'a', 'b', 'c' });
            (dictionary[3] = new List<char>()).AddRange(new char[] { 'd', 'e', 'f' });
            (dictionary[4] = new List<char>()).AddRange(new char[] { 'g', 'h' });
            (dictionary[5] = new List<char>()).AddRange(new char[] { 'k', 'l' });
            (dictionary[6] = new List<char>()).AddRange(new char[] { 'm', 'n' });
            (dictionary[7] = new List<char>()).AddRange(new char[] { 'p', 'r', 's' });
            (dictionary[8] = new List<char>()).AddRange(new char[] { 't', 'u', 'v' });
            (dictionary[9] = new List<char>()).AddRange(new char[] { 'w', 'x', 'y' });

            List<String> inputs = new List<string>();

            int c = -1;
            do
            {
                inputs.Add(Console.ReadLine());
                c++;
            } while (inputs[c] != "-1");

            bool procede = true;

            while (procede)
            {
                String number = inputs[0];
                List<String> words = inputs.GetRange(2, Int32.Parse(inputs[1]));
                inputs.RemoveRange(0, Int32.Parse(inputs[1]) + 2);

                if (inputs[0] == "-1") procede = false;

                String output = String.Empty;

                while (words.Count > 0)
                {
                    StringBuilder outputs = new StringBuilder();
                    for (int i = 0; i < number.Length; i++)
                    {
                        if (i == 1 && output == String.Empty)
                        {
                            words.Clear();
                            break;
                        }

                        foreach (String word in words)
                        {
                            bool check = false;

                            if (dictionary[Int32.Parse(number[i].ToString())].Contains(word[0]))
                            {
                                for (int j = 1, k = i + 1; j < word.Length && k < number.Length; j++, k++)
                                {
                                    if (dictionary[Int32.Parse(number[k].ToString())].Contains(word[j]) == false)
                                    {
                                        break;
                                    }
                                    else
                                    {
                                        check = true;
                                    }
                                }

                                if (check)
                                {
                                    outputs.Append(word + " ");
                                    i += word.Length - 1;
                                    words.Remove(word);
                                    break;
                                }
                            }
                        }
                    }

                    if (output == String.Empty)
                    {
                        output = outputs.ToString().TrimEnd();
                    }
                    else
                    {
                        if (outputs.ToString().TrimEnd().Split(' ').Length < output.Split(' ').Length)
                        {
                            output = outputs.ToString().TrimEnd();
                        }
                    }
                }

                if (output == String.Empty)
                {
                    Console.WriteLine("No solution.");
                }
                else
                {
                    Console.WriteLine(output);
                }
            }
        }
    }
}