import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.ArrayList;

public class Phone {
    public static boolean zero(char input, char output) {
        return input == '0' && (output == 'o' || output == 'q' || output == 'z');
    }
    public static boolean one(char input, char output) {
        return input == '1' && (output == 'i' || output == 'j');
    }
    public static boolean two(char input, char output) {
        return input == '2' && (output == 'a' || output == 'b' || output == 'c');
    }
    public static boolean three(char input, char output) {
        return input == '3' && (output == 'd' || output == 'e' || output == 'f');
    }
    public static boolean four(char input, char output) {
        return input == '4' && (output == 'g' || output == 'h');
    }
    public static boolean five(char input, char output) {
        return input == '5' && (output == 'k' || output == 'l');
    }
    public static boolean six(char input, char output) {
        return input == '6' && (output == 'm' || output == 'n');
    }
    public static boolean seven(char input, char output) {
        return input == '7' && (output == 'p' || output == 'r' || output == 's');
    }
    public static boolean eight(char input, char output) {
        return input == '8' && (output == 't' || output == 'u' || output == 'z');
    }
    public static boolean nine(char input, char output) {
        return input == '9' && (output == 'w' || output == 'x' || output == 'y');
    }
    public static void main(String[] args) throws IOException {
        BufferedReader bin = new BufferedReader(
                new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(
                System.out));
        String result = "";
        ArrayList<String> dataStore = new ArrayList<String>();
        String data = "";
        boolean checked = false;
        while (!data.equals("-1")) {
            data = bin.readLine();
            dataStore.add(data);
        }

        int i =0;
        String callNum =dataStore.get(i++);
        int callNumindex = 0;
        while(!callNum.equals("-1")){
            int letterLine = Integer.parseInt(dataStore.get(i++));
            for (int j = i; j < letterLine+i; j++) {
                String letter = dataStore.get(j);
                for (int k = 0; k < letter.length(); k++) {
                    char input = callNum.charAt(callNumindex);
                    char output = letter.charAt(k);
                    checked = zero(input, output)||one(input, output)||two(input, output)||
                              three(input, output)||four(input, output)||five(input, output)||
                              six(input, output)||seven(input, output)||eight(input, output)||
                              nine(input, output);
                    if(checked){
                        result += output;
                        callNumindex++;
                        if(k == letter.length()-1)
                            result+=" ";
                        continue;
                    }else
                        k=letter.length();
                }

            }
            if(result.length()-2==callNum.length()){
                result = result.substring(0,result.length()-1);
                System.out.println(result);
                //bw.write(result+'\n');
            }else
                System.out.println("No solution.");
                //bw.write("No solution.\n");
            i += letterLine;
            callNum =dataStore.get(i++);
            callNumindex = 0;
            result ="";
        }
        bw.close();
    }
}

*****
I test on my laptop, the output is the same as example.
But the answer i got is wrong answer on test 1.
So confusing.