auto words inserter

i want basic software. software should have one box where user can paste or write information. software should have two [login to view URL] files. [login to view URL] and [login to view URL] and one insert button and one save button. make software in vb.net one drop down menu options which allow user to select how many words you want to insert. drop down menu option have 5 to 25. when user click insert button it's will insert [login to view URL] must have fully automatic nothing person need to do manually. i want software that insert words on before and after of any random words. one box that allow to enter or paste information about person where person can write or paste information about 500 to 1500 words. [login to view URL] and [login to view URL] contains names. list1.text= allow to paste list of name/word or any. [login to view URL] = allow to paste list of last name/word or any. now example :- Elliot John Gleave (born 20 June 1982), better known by his stage name Example, is an English singer and rapper signed to Data Records. His name arose due to his initials being E.G. let's think [login to view URL] have list of name that fill by user pritesh mahesh ramesh let's think [login to view URL] have list of name that fill by user patel dave jadeja result after run software :- Elliot John Gleave (born 20 June 1982), better pritesh known patel by his stage name Example, is an English singer and mahesh rapper dave signed to Data Records. His name ramesh arose jadeja due to his initials being E.G. after insert that words from [login to view URL] and [login to view URL] it's will be deleted from list. and when i click insert button again words must be insert at different places. everything time i push insert button i will insert in different places.