group 6000 keywords (colon cleansing)

Hi, I need to group manually 5972 keywords by categories, sub-categories (and sub-sub-categories if needed). The topic is colon cleansing. Excerpt from the keyword list: colonics cleanse nh colonics cleanse san diego colonics cleanse the body colon cleansing varicose veins colon cleansing value I prefer candidates who are familiar with this field ( or similar). Budget is 180 USD Term: 1 week. Some notes about the format. Note that there can be categories ( we can create a separate excel page for each category) , subcategories ( we can give a name of a sub category to a column of the created page and create as many columns as we need withing the scope of this page) , subsubcategories ( these are lines of a particular column "subcategory"). Also, mind that I need to create relations between keywords and form a hierarchical structure of this whole.