using Bll; using System; using System.CodeDom; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Diagnostics; using System.Linq; using System.Reflection; using System.Runtime.Serialization; using System.ServiceModel
Bob has a dictionary with N words in it. Now there is a list of words in which the middle part of the word has continuous letters disappeared. The middle part does not include the first and last character. We only know the prefix and suffix of each w