I need help with my hw in C/C++ programming in UNIX please

Use this words file and construct one liners using regular expressions to answer the remaining questions. Exercise 1.5: Count the number of words beginning with each letter of the alphabet and print the results in the following format: a:23585 b:21860 Exercise 1.6: How many words end with the letter "s" How many words contain "'s"(that is an apostrophe s.) Of those words that contain 's, how many words end in it? Exercise 1.7: Generate your own question involving parsing the dictionary file and then generate the one line necessary to answer your question Deliverables You must submit your homework through ELearning. For each question, please submit the command you used to find the answer to each question as well as the answer. Only text files or PDF files will be accepted. Notes