If you search only for English words which match your pattern you can do the following:
- Go to WolframAlpha
- Make a search for
____suffix
- Down on the page hover the dog-ear and click on
Copyable Plaintext
- In the box copy the content of the first field
- Make a Google search for
(
insert copied text)
your query
As an example: If you want to search for ____book store
, WolframAlpha search for ____book
results in:
bankbook | casebook | cashbook | chapbook | cookbook | copybook | datebook | handbook | hymnbook | notebook | overbook | passbook | playbook | rulebook | songbook | studbook | textbook | wordbook | workbook | yearbook
(but not including facebook
for example)
The Google search would be (link):
(bankbook | casebook | cashbook | chapbook | cookbook | copybook | datebook | handbook | hymnbook | notebook | overbook | passbook | playbook | rulebook | songbook | studbook | textbook | wordbook | workbook | yearbook) store
Alternatively you can make a a list of all possible four letter combinations yourself (note that there are 456,976) and do this search. However I'm sure that Google does not support that many parts in an OR query. Therefore you cannot get a complete ranking of every combination possible using Google.